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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 3 |
| 1975 | 18 |
| 1976 | 21 |
| 1977 | 17 |
| 1978 | 17 |
| 1979 | 20 |
| 1980 | 48 |
| 1981 | 66 |
| 1982 | 76 |
| 1983 | 85 |
| 1984 | 128 |
| 1985 | 150 |
| 1986 | 135 |
| 1987 | 139 |
| 1988 | 123 |
| 1989 | 153 |
| 1990 | 131 |
| 1991 | 171 |
| 1992 | 154 |
| 1993 | 87 |
| 1994 | 120 |
| 1995 | 142 |
| 1996 | 190 |
| 1997 | 170 |
| 1998 | 166 |
| 1999 | 229 |
| 2000 | 235 |
| 2001 | 387 |
| 2002 | 497 |
| 2003 | 602 |
| 2004 | 711 |
| 2005 | 966 |
| 2006 | 1236 |
| 2007 | 1340 |
| 2008 | 1416 |
| 2009 | 1403 |
| 2010 | 1623 |
| 2011 | 1976 |
| 2012 | 1848 |
| 2013 | 1920 |
| 2014 | 1986 |
| 2015 | 2004 |
| 2016 | 2212 |
| 2017 | 2262 |
| 2018 | 2127 |
| 2019 | 2246 |
| 2020 | 2168 |
| 2021 | 2418 |
| 2022 | 1783 |
| 2023 | 1507 |
| 2024 | 522 |