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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 2 |
| 1966 | 13 |
| 1967 | 13 |
| 1968 | 24 |
| 1969 | 28 |
| 1970 | 24 |
| 1971 | 35 |
| 1972 | 38 |
| 1973 | 30 |
| 1974 | 62 |
| 1975 | 49 |
| 1976 | 52 |
| 1977 | 72 |
| 1978 | 70 |
| 1979 | 61 |
| 1980 | 68 |
| 1981 | 81 |
| 1982 | 89 |
| 1983 | 102 |
| 1984 | 122 |
| 1985 | 137 |
| 1986 | 171 |
| 1987 | 191 |
| 1988 | 204 |
| 1989 | 236 |
| 1990 | 289 |
| 1991 | 335 |
| 1992 | 356 |
| 1993 | 372 |
| 1994 | 413 |
| 1995 | 476 |
| 1996 | 466 |
| 1997 | 507 |
| 1998 | 646 |
| 1999 | 672 |
| 2000 | 705 |
| 2001 | 782 |
| 2002 | 860 |
| 2003 | 888 |
| 2004 | 985 |
| 2005 | 1142 |
| 2006 | 1214 |
| 2007 | 1309 |
| 2008 | 1439 |
| 2009 | 1473 |
| 2010 | 1671 |
| 2011 | 1784 |
| 2012 | 2069 |
| 2013 | 2140 |
| 2014 | 2148 |
| 2015 | 2124 |
| 2016 | 2064 |
| 2017 | 2031 |
| 2018 | 2154 |
| 2019 | 2280 |
| 2020 | 2091 |
| 2021 | 1833 |
| 2022 | 895 |
| 2023 | 661 |
| 2024 | 790 |