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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 2 |
| 1973 | 1 |
| 1974 | 29 |
| 1975 | 72 |
| 1976 | 64 |
| 1977 | 89 |
| 1978 | 100 |
| 1979 | 140 |
| 1980 | 158 |
| 1981 | 229 |
| 1982 | 292 |
| 1983 | 412 |
| 1984 | 654 |
| 1985 | 648 |
| 1986 | 672 |
| 1987 | 604 |
| 1988 | 690 |
| 1989 | 805 |
| 1990 | 1032 |
| 1991 | 940 |
| 1992 | 1022 |
| 1993 | 924 |
| 1994 | 794 |
| 1995 | 811 |
| 1996 | 877 |
| 1997 | 954 |
| 1998 | 878 |
| 1999 | 1004 |
| 2000 | 1227 |
| 2001 | 1248 |
| 2002 | 1443 |
| 2003 | 1756 |
| 2004 | 1810 |
| 2005 | 2102 |
| 2006 | 2359 |
| 2007 | 2963 |
| 2008 | 3432 |
| 2009 | 3625 |
| 2010 | 3714 |
| 2011 | 4044 |
| 2012 | 4692 |
| 2013 | 5125 |
| 2014 | 5319 |
| 2015 | 5283 |
| 2016 | 6223 |
| 2017 | 6753 |
| 2018 | 7364 |
| 2019 | 6689 |
| 2020 | 5115 |
| 2021 | 3418 |
| 2022 | 4143 |
| 2023 | 3781 |
| 2024 | 7634 |
| 2025 | 4301 |