PDB Statistics: Protein-only Structures Released Per Year
| Year | Total Number of Entries Available | Number of Structures Released Annually |
|---|---|---|
| 1976 | 13 | 13 |
| 1977 | 36 | 23 |
| 1978 | 40 | 4 |
| 1979 | 50 | 10 |
| 1980 | 56 | 6 |
| 1981 | 68 | 12 |
| 1982 | 96 | 28 |
| 1983 | 131 | 35 |
| 1984 | 152 | 21 |
| 1985 | 170 | 18 |
| 1986 | 186 | 16 |
| 1987 | 204 | 18 |
| 1988 | 254 | 50 |
| 1989 | 315 | 61 |
| 1990 | 437 | 122 |
| 1991 | 600 | 163 |
| 1992 | 747 | 147 |
| 1993 | 1366 | 619 |
| 1994 | 2501 | 1135 |
| 1995 | 3300 | 799 |
| 1996 | 4219 | 919 |
| 1997 | 5514 | 1295 |
| 1998 | 7265 | 1751 |
| 1999 | 9298 | 2033 |
| 2000 | 11563 | 2265 |
| 2001 | 13988 | 2425 |
| 2002 | 16606 | 2618 |
| 2003 | 20247 | 3641 |
| 2004 | 24810 | 4563 |
| 2005 | 29603 | 4793 |
| 2006 | 35338 | 5735 |
| 2007 | 41853 | 6515 |
| 2008 | 48109 | 6256 |
| 2009 | 54721 | 6612 |
| 2010 | 61627 | 6906 |
| 2011 | 68653 | 7026 |
| 2012 | 76390 | 7737 |
| 2013 | 84679 | 8289 |
| 2014 | 92954 | 8275 |
| 2015 | 100969 | 8015 |
| 2016 | 110393 | 9424 |
| 2017 | 120046 | 9653 |
| 2018 | 129695 | 9649 |
| 2019 | 139593 | 9898 |
| 2020 | 151590 | 11997 |
| 2021 | 156616 | 5026 |
