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 | 57 | 7 |
| 1981 | 71 | 14 |
| 1982 | 99 | 28 |
| 1983 | 134 | 35 |
| 1984 | 155 | 21 |
| 1985 | 173 | 18 |
| 1986 | 189 | 16 |
| 1987 | 207 | 18 |
| 1988 | 257 | 50 |
| 1989 | 318 | 61 |
| 1990 | 450 | 132 |
| 1991 | 617 | 167 |
| 1992 | 773 | 156 |
| 1993 | 1402 | 629 |
| 1994 | 2604 | 1202 |
| 1995 | 3449 | 845 |
| 1996 | 4412 | 963 |
| 1997 | 5786 | 1374 |
| 1998 | 7628 | 1842 |
| 1999 | 9742 | 2114 |
| 2000 | 12132 | 2390 |
| 2001 | 14716 | 2584 |
| 2002 | 17478 | 2762 |
| 2003 | 21302 | 3824 |
| 2004 | 26107 | 4805 |
| 2005 | 31107 | 5000 |
| 2006 | 37120 | 6013 |
| 2007 | 43888 | 6768 |
| 2008 | 50406 | 6518 |
| 2009 | 57303 | 6897 |
| 2010 | 64560 | 7257 |
| 2011 | 71994 | 7434 |
| 2012 | 80156 | 8162 |
| 2013 | 88923 | 8767 |
| 2014 | 97646 | 8723 |
| 2015 | 106214 | 8568 |
| 2016 | 116205 | 9991 |
| 2017 | 126504 | 10299 |
| 2018 | 136777 | 10273 |
| 2019 | 147357 | 10580 |
| 2020 | 154160 | 6803 |
