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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 100 |
| 1971 | 77 |
| 1972 | 80 |
| 1973 | 95 |
| 1974 | 102 |
| 1975 | 88 |
| 1976 | 114 |
| 1977 | 161 |
| 1978 | 135 |
| 1979 | 138 |
| 1980 | 163 |
| 1981 | 134 |
| 1982 | 186 |
| 1983 | 134 |
| 1984 | 137 |
| 1985 | 157 |
| 1986 | 139 |
| 1987 | 191 |
| 1988 | 188 |
| 1989 | 175 |
| 1990 | 157 |
| 1991 | 169 |
| 1992 | 162 |
| 1993 | 180 |
| 1994 | 183 |
| 1995 | 216 |
| 1996 | 259 |
| 1997 | 230 |
| 1998 | 308 |
| 1999 | 323 |
| 2000 | 322 |
| 2001 | 408 |
| 2002 | 315 |
| 2003 | 278 |
| 2004 | 363 |
| 2005 | 574 |
| 2006 | 733 |
| 2007 | 770 |
| 2008 | 870 |
| 2009 | 897 |
| 2010 | 781 |
| 2011 | 725 |
| 2012 | 636 |
| 2013 | 539 |
| 2014 | 619 |
| 2015 | 628 |
| 2016 | 566 |
| 2017 | 461 |
| 2018 | 577 |
| 2019 | 399 |
| 2020 | 400 |
| 2021 | 359 |
| 2022 | 281 |
| 2023 | 275 |
| 2024 | 290 |
| 2025 | 323 |
| 2026 | 197 |