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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1961 | 1 |
| 1964 | 2 |
| 1965 | 7 |
| 1966 | 11 |
| 1967 | 12 |
| 1968 | 12 |
| 1969 | 9 |
| 1970 | 13 |
| 1971 | 15 |
| 1972 | 12 |
| 1973 | 18 |
| 1974 | 13 |
| 1975 | 15 |
| 1976 | 23 |
| 1977 | 15 |
| 1978 | 16 |
| 1979 | 23 |
| 1980 | 24 |
| 1981 | 24 |
| 1982 | 58 |
| 1983 | 88 |
| 1984 | 184 |
| 1985 | 146 |
| 1986 | 145 |
| 1987 | 154 |
| 1988 | 159 |
| 1989 | 154 |
| 1990 | 143 |
| 1991 | 141 |
| 1992 | 128 |
| 1993 | 153 |
| 1994 | 153 |
| 1995 | 118 |
| 1996 | 133 |
| 1997 | 147 |
| 1998 | 146 |
| 1999 | 142 |
| 2000 | 153 |
| 2001 | 153 |
| 2002 | 159 |
| 2003 | 183 |
| 2004 | 216 |
| 2005 | 245 |
| 2006 | 246 |
| 2007 | 282 |
| 2008 | 294 |
| 2009 | 311 |
| 2010 | 337 |
| 2011 | 336 |
| 2012 | 404 |
| 2013 | 465 |
| 2014 | 466 |
| 2015 | 507 |
| 2016 | 500 |
| 2017 | 476 |
| 2018 | 497 |
| 2019 | 526 |
| 2020 | 719 |
| 2021 | 853 |
| 2022 | 878 |
| 2023 | 836 |
| 2024 | 336 |