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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1966 | 4 |
| 1967 | 2 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 16 |
| 1971 | 36 |
| 1972 | 95 |
| 1973 | 160 |
| 1974 | 155 |
| 1975 | 158 |
| 1976 | 137 |
| 1977 | 163 |
| 1978 | 169 |
| 1979 | 188 |
| 1980 | 184 |
| 1981 | 155 |
| 1982 | 180 |
| 1983 | 249 |
| 1984 | 267 |
| 1985 | 369 |
| 1986 | 433 |
| 1987 | 454 |
| 1988 | 521 |
| 1989 | 558 |
| 1990 | 516 |
| 1991 | 558 |
| 1992 | 632 |
| 1993 | 741 |
| 1994 | 689 |
| 1995 | 605 |
| 1996 | 668 |
| 1997 | 749 |
| 1998 | 862 |
| 1999 | 862 |
| 2000 | 1000 |
| 2001 | 947 |
| 2002 | 895 |
| 2003 | 993 |
| 2004 | 1179 |
| 2005 | 1336 |
| 2006 | 1587 |
| 2007 | 1989 |
| 2008 | 2206 |
| 2009 | 2629 |
| 2010 | 3114 |
| 2011 | 3498 |
| 2012 | 3329 |
| 2013 | 3647 |
| 2014 | 3713 |
| 2015 | 3745 |
| 2016 | 3752 |
| 2017 | 3761 |
| 2018 | 3598 |
| 2019 | 3575 |
| 2020 | 3202 |
| 2021 | 2578 |
| 2022 | 2110 |
| 2023 | 1680 |
| 2024 | 880 |