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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 83 |
| 1967 | 158 |
| 1968 | 234 |
| 1969 | 303 |
| 1970 | 456 |
| 1971 | 577 |
| 1972 | 683 |
| 1973 | 767 |
| 1974 | 850 |
| 1975 | 928 |
| 1976 | 979 |
| 1977 | 967 |
| 1978 | 1090 |
| 1979 | 1065 |
| 1980 | 1229 |
| 1981 | 1362 |
| 1982 | 1377 |
| 1983 | 1522 |
| 1984 | 1557 |
| 1985 | 1841 |
| 1986 | 1869 |
| 1987 | 1957 |
| 1988 | 1819 |
| 1989 | 1590 |
| 1990 | 1706 |
| 1991 | 1631 |
| 1992 | 1573 |
| 1993 | 1660 |
| 1994 | 1646 |
| 1995 | 1410 |
| 1996 | 1439 |
| 1997 | 1481 |
| 1998 | 1506 |
| 1999 | 1370 |
| 2000 | 1386 |
| 2001 | 1187 |
| 2002 | 966 |
| 2003 | 1110 |
| 2004 | 1037 |
| 2005 | 984 |
| 2006 | 1660 |
| 2007 | 1457 |
| 2008 | 1445 |
| 2009 | 1287 |
| 2010 | 1420 |
| 2011 | 1131 |
| 2012 | 918 |
| 2013 | 735 |
| 2014 | 770 |
| 2015 | 827 |
| 2016 | 729 |
| 2017 | 489 |
| 2018 | 581 |
| 2019 | 638 |
| 2020 | 507 |
| 2021 | 395 |
| 2022 | 309 |
| 2023 | 180 |