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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 8 |
| 1967 | 17 |
| 1968 | 16 |
| 1969 | 27 |
| 1970 | 29 |
| 1971 | 28 |
| 1972 | 23 |
| 1973 | 14 |
| 1974 | 25 |
| 1975 | 29 |
| 1976 | 21 |
| 1977 | 30 |
| 1978 | 20 |
| 1979 | 25 |
| 1980 | 21 |
| 1981 | 33 |
| 1982 | 27 |
| 1983 | 43 |
| 1984 | 51 |
| 1985 | 73 |
| 1986 | 89 |
| 1987 | 102 |
| 1988 | 112 |
| 1989 | 160 |
| 1990 | 162 |
| 1991 | 123 |
| 1992 | 184 |
| 1993 | 152 |
| 1994 | 169 |
| 1995 | 153 |
| 1996 | 169 |
| 1997 | 198 |
| 1998 | 211 |
| 1999 | 231 |
| 2000 | 332 |
| 2001 | 381 |
| 2002 | 375 |
| 2003 | 377 |
| 2004 | 373 |
| 2005 | 483 |
| 2006 | 499 |
| 2007 | 570 |
| 2008 | 572 |
| 2009 | 623 |
| 2010 | 606 |
| 2011 | 483 |
| 2012 | 523 |
| 2013 | 576 |
| 2014 | 784 |
| 2015 | 724 |
| 2016 | 588 |
| 2017 | 631 |
| 2018 | 581 |
| 2019 | 524 |
| 2020 | 443 |
| 2021 | 302 |
| 2022 | 48 |
| 2023 | 13 |
| 2024 | 24 |