Schema Release Timeline

Release Summary By Year

2017: 4 Releases, 533 Total Terms
+ 476 CTDL Terms (476 Total)
+ 57 CTDL-ASN Terms (57 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 73 Usable
+ 1 Depr.
Properties:
+ 289 Usable
+ 14 Depr.
Concept Schemes:
+ 19 Usable
+ 1 Depr.
Concepts:
+ 134 Usable
+ 2 Depr.
2018: 5 Releases, 545 Total Terms
+ 10 CTDL Terms (486 Total)
+ 2 CTDL-ASN Terms (59 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 1 Usable
+ 1 Depr.
Properties:
+ 6 Usable
+ 2 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 2 Usable
+ 0 Depr.
2019: 5 Releases, 751 Total Terms
+ 63 CTDL Terms (549 Total)
+ 25 CTDL-ASN Terms (84 Total)
+ 118 QData Terms (118 Total)
Classes:
+ 29 Usable
+ 0 Depr.
Properties:
+ 115 Usable
+ 4 Depr.
Concept Schemes:
+ 6 Usable
+ 0 Depr.
Concepts:
+ 51 Usable
+ 1 Depr.
2020: 7 Releases, 836 Total Terms
+ 72 CTDL Terms (621 Total)
+ 4 CTDL-ASN Terms (88 Total)
+ 9 QData Terms (127 Total)
Classes:
+ 11 Usable
+ 0 Depr.
Properties:
+ 40 Usable
- 1 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 30 Usable
+ 5 Depr.
2021: 3 Releases, 875 Total Terms
+ 25 CTDL Terms (646 Total)
+ 11 CTDL-ASN Terms (99 Total)
+ 3 QData Terms (130 Total)
Classes:
+ 3 Usable
+ 3 Depr.
Properties:
+ 27 Usable
+ 1 Depr.
Concept Schemes:
+ 1 Usable
+ 0 Depr.
Concepts:
+ 4 Usable
+ 0 Depr.
2022: 5 Releases, 947 Total Terms
+ 69 CTDL Terms (715 Total)
+ 1 CTDL-ASN Terms (100 Total)
+ 2 QData Terms (132 Total)
Classes:
+ 1 Usable
+ 1 Depr.
Properties:
+ 19 Usable
+ 0 Depr.
Concept Schemes:
+ 6 Usable
+ 0 Depr.
Concepts:
+ 45 Usable
+ 0 Depr.
2023: 5 Releases, 1087 Total Terms
+ 118 CTDL Terms (833 Total)
+ 20 CTDL-ASN Terms (120 Total)
+ 2 QData Terms (134 Total)
Classes:
+ 16 Usable
+ 0 Depr.
Properties:
+ 26 Usable
+ 0 Depr.
Concept Schemes:
+ 3 Usable
+ 0 Depr.
Concepts:
+ 95 Usable
+ 0 Depr.
2024: 2 Releases, 1226 Total Terms
+ 30 CTDL Terms (863 Total)
+ 0 CTDL-ASN Terms (120 Total)
+ 109 QData Terms (243 Total)
Classes:
+ 24 Usable
+ 0 Depr.
Properties:
+ 27 Usable
+ 2 Depr.
Concept Schemes:
+ 2 Usable
+ 0 Depr.
Concepts:
+ 84 Usable
+ 0 Depr.
2025, 1247 Total Terms
+ 21 CTDL Terms (884 Total)
+ 0 CTDL-ASN Terms (120 Total)
+ 0 QData Terms (243 Total)
Classes:
+ 2 Usable
+ 0 Depr.
Properties:
+ 12 Usable
+ 0 Depr.
Concept Schemes:
+ 1 Usable
+ 0 Depr.
Concepts:
+ 6 Usable
+ 0 Depr.

Individual Releases

8/25/2017, 473 Total Terms
+ 473 CTDL Terms (473 Total)
+ 0 CTDL-ASN Terms (0 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 69 Usable
+ 1 Depr.
Properties:
+ 241 Usable
+ 11 Depr.
Concept Schemes:
+ 18 Usable
+ 1 Depr.
Concepts:
+ 131 Usable
+ 1 Depr.
9/29/2017, 530 Total Terms
+ 0 CTDL Terms (473 Total)
+ 57 CTDL-ASN Terms (57 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 3 Usable
+ 0 Depr.
Properties:
+ 50 Usable
+ 0 Depr.
Concept Schemes:
+ 1 Usable
+ 0 Depr.
Concepts:
+ 3 Usable
+ 0 Depr.
10-18-2017, 530 Total Terms
+ 0 CTDL Terms (473 Total)
+ 0 CTDL-ASN Terms (57 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
10/27/2017, 533 Total Terms
+ 3 CTDL Terms (476 Total)
+ 0 CTDL-ASN Terms (57 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 1 Usable
+ 0 Depr.
Properties:
- 2 Usable
+ 3 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 1 Depr.
1/29/2018, 533 Total Terms
+ 0 CTDL Terms (476 Total)
+ 0 CTDL-ASN Terms (57 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
4/27/2018, 539 Total Terms
+ 5 CTDL Terms (481 Total)
+ 1 CTDL-ASN Terms (58 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 1 Usable
+ 1 Depr.
Properties:
+ 3 Usable
+ 1 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
7/27/2018, 542 Total Terms
+ 3 CTDL Terms (484 Total)
+ 0 CTDL-ASN Terms (58 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 1 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 2 Usable
+ 0 Depr.
10/26/2018, 543 Total Terms
+ 0 CTDL Terms (484 Total)
+ 1 CTDL-ASN Terms (59 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 1 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
12/28/2018, 545 Total Terms
+ 2 CTDL Terms (486 Total)
+ 0 CTDL-ASN Terms (59 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 2 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
3/1/2019, 571 Total Terms
+ 26 CTDL Terms (512 Total)
+ 0 CTDL-ASN Terms (59 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 13 Usable
+ 0 Depr.
Properties:
+ 13 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
4/26/2019, 595 Total Terms
+ 4 CTDL Terms (516 Total)
+ 20 CTDL-ASN Terms (79 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 3 Usable
+ 0 Depr.
Properties:
+ 21 Usable
+ 4 Depr.
Concept Schemes:
- 1 Usable
+ 0 Depr.
Concepts:
- 3 Usable
+ 0 Depr.
8/30/2019, 596 Total Terms
+ 1 CTDL Terms (517 Total)
+ 0 CTDL-ASN Terms (79 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 1 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
10/25/2019, 629 Total Terms
+ 32 CTDL Terms (549 Total)
+ 1 CTDL-ASN Terms (80 Total)
+ 0 QData Terms (0 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 5 Usable
+ 0 Depr.
Concept Schemes:
+ 1 Usable
+ 0 Depr.
Concepts:
+ 26 Usable
+ 1 Depr.
11/29/2019, 751 Total Terms
+ 0 CTDL Terms (549 Total)
+ 4 CTDL-ASN Terms (84 Total)
+ 118 QData Terms (118 Total)
Classes:
+ 13 Usable
+ 0 Depr.
Properties:
+ 75 Usable
+ 0 Depr.
Concept Schemes:
+ 6 Usable
+ 0 Depr.
Concepts:
+ 28 Usable
+ 0 Depr.
3/27/2020, 754 Total Terms
+ 0 CTDL Terms (549 Total)
+ 0 CTDL-ASN Terms (84 Total)
+ 3 QData Terms (121 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 3 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
4/24/2020, 761 Total Terms
+ 3 CTDL Terms (552 Total)
+ 4 CTDL-ASN Terms (88 Total)
+ 0 QData Terms (121 Total)
Classes:
+ 3 Usable
+ 0 Depr.
Properties:
+ 4 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
5/29/2020, 770 Total Terms
+ 9 CTDL Terms (561 Total)
+ 0 CTDL-ASN Terms (88 Total)
+ 0 QData Terms (121 Total)
Classes:
+ 2 Usable
+ 0 Depr.
Properties:
+ 7 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
7/31/2020, 771 Total Terms
+ 1 CTDL Terms (562 Total)
+ 0 CTDL-ASN Terms (88 Total)
+ 0 QData Terms (121 Total)
Classes:
+ 1 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
8/28/2020, 794 Total Terms
+ 23 CTDL Terms (585 Total)
+ 0 CTDL-ASN Terms (88 Total)
+ 0 QData Terms (121 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 5 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 13 Usable
+ 5 Depr.
10/30/2020, 835 Total Terms
+ 35 CTDL Terms (620 Total)
+ 0 CTDL-ASN Terms (88 Total)
+ 6 QData Terms (127 Total)
Classes:
+ 5 Usable
+ 0 Depr.
Properties:
+ 20 Usable
- 1 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 17 Usable
+ 0 Depr.
11/27/2020, 836 Total Terms
+ 1 CTDL Terms (621 Total)
+ 0 CTDL-ASN Terms (88 Total)
+ 0 QData Terms (127 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 1 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
3/26/2021, 842 Total Terms
+ 2 CTDL Terms (623 Total)
+ 1 CTDL-ASN Terms (89 Total)
+ 3 QData Terms (130 Total)
Classes:
+ 0 Usable
+ 1 Depr.
Properties:
+ 4 Usable
+ 1 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
5/28/2021, 843 Total Terms
+ 1 CTDL Terms (624 Total)
+ 0 CTDL-ASN Terms (89 Total)
+ 0 QData Terms (130 Total)
Classes:
+ 1 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
10/29/2021, 875 Total Terms
+ 22 CTDL Terms (646 Total)
+ 10 CTDL-ASN Terms (99 Total)
+ 0 QData Terms (130 Total)
Classes:
+ 2 Usable
+ 2 Depr.
Properties:
+ 23 Usable
+ 0 Depr.
Concept Schemes:
+ 1 Usable
+ 0 Depr.
Concepts:
+ 4 Usable
+ 0 Depr.
3/25/2022, 913 Total Terms
+ 38 CTDL Terms (684 Total)
+ 0 CTDL-ASN Terms (99 Total)
+ 0 QData Terms (130 Total)
Classes:
+ 2 Usable
+ 0 Depr.
Properties:
+ 8 Usable
+ 0 Depr.
Concept Schemes:
+ 3 Usable
+ 0 Depr.
Concepts:
+ 25 Usable
+ 0 Depr.
6/24/2022, 940 Total Terms
+ 26 CTDL Terms (710 Total)
+ 1 CTDL-ASN Terms (100 Total)
+ 0 QData Terms (130 Total)
Classes:
- 1 Usable
+ 1 Depr.
Properties:
+ 7 Usable
+ 0 Depr.
Concept Schemes:
+ 3 Usable
+ 0 Depr.
Concepts:
+ 17 Usable
+ 0 Depr.
7/29/2022, 944 Total Terms
+ 4 CTDL Terms (714 Total)
+ 0 CTDL-ASN Terms (100 Total)
+ 0 QData Terms (130 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 1 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 3 Usable
+ 0 Depr.
9/30/2022, 944 Total Terms
+ 0 CTDL Terms (714 Total)
+ 0 CTDL-ASN Terms (100 Total)
+ 0 QData Terms (130 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
11/30/2022, 947 Total Terms
+ 1 CTDL Terms (715 Total)
+ 0 CTDL-ASN Terms (100 Total)
+ 2 QData Terms (132 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 3 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
2/24/2023, 956 Total Terms
+ 9 CTDL Terms (724 Total)
+ 0 CTDL-ASN Terms (100 Total)
+ 0 QData Terms (132 Total)
Classes:
+ 9 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
3/31/2023, 958 Total Terms
+ 2 CTDL Terms (726 Total)
+ 0 CTDL-ASN Terms (100 Total)
+ 0 QData Terms (132 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 2 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
5/26/2023, 1054 Total Terms
+ 96 CTDL Terms (822 Total)
+ 0 CTDL-ASN Terms (100 Total)
+ 0 QData Terms (132 Total)
Classes:
+ 1 Usable
+ 0 Depr.
Properties:
+ 8 Usable
+ 0 Depr.
Concept Schemes:
+ 2 Usable
+ 0 Depr.
Concepts:
+ 85 Usable
+ 0 Depr.
9/29/2023, 1087 Total Terms
+ 11 CTDL Terms (833 Total)
+ 20 CTDL-ASN Terms (120 Total)
+ 2 QData Terms (134 Total)
Classes:
+ 6 Usable
+ 0 Depr.
Properties:
+ 16 Usable
+ 0 Depr.
Concept Schemes:
+ 1 Usable
+ 0 Depr.
Concepts:
+ 10 Usable
+ 0 Depr.
10/27/2023, 1087 Total Terms
+ 0 CTDL Terms (833 Total)
+ 0 CTDL-ASN Terms (120 Total)
+ 0 QData Terms (134 Total)
Classes:
+ 0 Usable
+ 0 Depr.
Properties:
+ 0 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
2/23/2024, 1110 Total Terms
+ 23 CTDL Terms (856 Total)
+ 0 CTDL-ASN Terms (120 Total)
+ 0 QData Terms (134 Total)
Classes:
+ 18 Usable
+ 0 Depr.
Properties:
+ 5 Usable
+ 0 Depr.
Concept Schemes:
+ 0 Usable
+ 0 Depr.
Concepts:
+ 0 Usable
+ 0 Depr.
8/30/2024, 1226 Total Terms
+ 7 CTDL Terms (863 Total)
+ 0 CTDL-ASN Terms (120 Total)
+ 109 QData Terms (243 Total)
Classes:
+ 6 Usable
+ 0 Depr.
Properties:
+ 22 Usable
+ 2 Depr.
Concept Schemes:
+ 2 Usable
+ 0 Depr.
Concepts:
+ 84 Usable
+ 0 Depr.
1/31/2025, 1247 Total Terms
+ 21 CTDL Terms (884 Total)
+ 0 CTDL-ASN Terms (120 Total)
+ 0 QData Terms (243 Total)
Classes:
+ 2 Usable
+ 0 Depr.
Properties:
+ 12 Usable
+ 0 Depr.
Concept Schemes:
+ 1 Usable
+ 0 Depr.
Concepts:
+ 6 Usable
+ 0 Depr.