PDB Statistics: Overall Growth of Released Structures Per Year
| Year | Total Number of Entries Available | Number of Structures Released Annually |
|---|---|---|
| 1976 | 13 | 13 |
| 1977 | 36 | 23 |
| 1978 | 42 | 6 |
| 1979 | 53 | 11 |
| 1980 | 69 | 16 |
| 1981 | 85 | 16 |
| 1982 | 117 | 32 |
| 1983 | 153 | 36 |
| 1984 | 175 | 22 |
| 1985 | 195 | 20 |
| 1986 | 213 | 18 |
| 1987 | 238 | 25 |
| 1988 | 291 | 53 |
| 1989 | 365 | 74 |
| 1990 | 507 | 142 |
| 1991 | 694 | 187 |
| 1992 | 886 | 192 |
| 1993 | 1582 | 696 |
| 1994 | 2871 | 1289 |
| 1995 | 3812 | 941 |
| 1996 | 4984 | 1172 |
| 1997 | 6549 | 1565 |
| 1998 | 8606 | 2057 |
| 1999 | 10962 | 2356 |
| 2000 | 13589 | 2627 |
| 2001 | 16403 | 2814 |
| 2002 | 19397 | 2994 |
| 2003 | 23544 | 4147 |
| 2004 | 28693 | 5149 |
| 2005 | 34027 | 5334 |
| 2006 | 40434 | 6407 |
| 2007 | 47568 | 7134 |
| 2008 | 54471 | 6903 |
| 2009 | 61761 | 7290 |
| 2010 | 69508 | 7747 |
| 2011 | 77437 | 7929 |
| 2012 | 86198 | 8761 |
| 2013 | 95539 | 9341 |
| 2014 | 105105 | 9566 |
| 2015 | 114363 | 9258 |
| 2016 | 125182 | 10819 |
| 2017 | 136254 | 11072 |
| 2018 | 147430 | 11176 |
| 2019 | 158938 | 11508 |
| 2020 | 172974 | 14036 |
| 2021 | 177009 | 4035 |
