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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1972 | 3 |
| 1973 | 7 |
| 1974 | 35 |
| 1975 | 77 |
| 1976 | 74 |
| 1977 | 70 |
| 1978 | 65 |
| 1979 | 127 |
| 1980 | 99 |
| 1981 | 96 |
| 1982 | 95 |
| 1983 | 118 |
| 1984 | 128 |
| 1985 | 151 |
| 1986 | 156 |
| 1987 | 176 |
| 1988 | 220 |
| 1989 | 237 |
| 1990 | 236 |
| 1991 | 278 |
| 1992 | 293 |
| 1993 | 295 |
| 1994 | 400 |
| 1995 | 328 |
| 1996 | 378 |
| 1997 | 455 |
| 1998 | 458 |
| 1999 | 496 |
| 2000 | 488 |
| 2001 | 570 |
| 2002 | 736 |
| 2003 | 982 |
| 2004 | 916 |
| 2005 | 1114 |
| 2006 | 1159 |
| 2007 | 1231 |
| 2008 | 1274 |
| 2009 | 1246 |
| 2010 | 1449 |
| 2011 | 1689 |
| 2012 | 1827 |
| 2013 | 1961 |
| 2014 | 2064 |
| 2015 | 2158 |
| 2016 | 2358 |
| 2017 | 2752 |
| 2018 | 2919 |
| 2019 | 2789 |
| 2020 | 2906 |
| 2021 | 2382 |
| 2022 | 509 |
| 2023 | 210 |
| 2024 | 650 |