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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 1 |
| 1972 | 2 |
| 1973 | 10 |
| 1974 | 84 |
| 1975 | 183 |
| 1976 | 186 |
| 1977 | 227 |
| 1978 | 303 |
| 1979 | 355 |
| 1980 | 501 |
| 1981 | 585 |
| 1982 | 845 |
| 1983 | 901 |
| 1984 | 1043 |
| 1985 | 1201 |
| 1986 | 1382 |
| 1987 | 1418 |
| 1988 | 1509 |
| 1989 | 1675 |
| 1990 | 1896 |
| 1991 | 1953 |
| 1992 | 1954 |
| 1993 | 2215 |
| 1994 | 2236 |
| 1995 | 2505 |
| 1996 | 2633 |
| 1997 | 2713 |
| 1998 | 2889 |
| 1999 | 2965 |
| 2000 | 2987 |
| 2001 | 3000 |
| 2002 | 2774 |
| 2003 | 2826 |
| 2004 | 3140 |
| 2005 | 3300 |
| 2006 | 3340 |
| 2007 | 3213 |
| 2008 | 3355 |
| 2009 | 3572 |
| 2010 | 3502 |
| 2011 | 3767 |
| 2012 | 3756 |
| 2013 | 3580 |
| 2014 | 3506 |
| 2015 | 3535 |
| 2016 | 3147 |
| 2017 | 2983 |
| 2018 | 2952 |
| 2019 | 2864 |
| 2020 | 2424 |
| 2021 | 1898 |
| 2022 | 426 |
| 2023 | 78 |
| 2024 | 102 |