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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 21 |
| 1976 | 42 |
| 1977 | 68 |
| 1978 | 105 |
| 1979 | 130 |
| 1980 | 144 |
| 1981 | 162 |
| 1982 | 121 |
| 1983 | 187 |
| 1984 | 180 |
| 1985 | 177 |
| 1986 | 164 |
| 1987 | 188 |
| 1988 | 202 |
| 1989 | 165 |
| 1990 | 236 |
| 1991 | 196 |
| 1992 | 222 |
| 1993 | 228 |
| 1994 | 347 |
| 1995 | 348 |
| 1996 | 435 |
| 1997 | 407 |
| 1998 | 401 |
| 1999 | 387 |
| 2000 | 396 |
| 2001 | 351 |
| 2002 | 372 |
| 2003 | 384 |
| 2004 | 463 |
| 2005 | 689 |
| 2006 | 721 |
| 2007 | 529 |
| 2008 | 630 |
| 2009 | 600 |
| 2010 | 432 |
| 2011 | 496 |
| 2012 | 560 |
| 2013 | 682 |
| 2014 | 615 |
| 2015 | 659 |
| 2016 | 634 |
| 2017 | 607 |
| 2018 | 642 |
| 2019 | 555 |
| 2020 | 591 |
| 2021 | 600 |
| 2022 | 447 |
| 2023 | 276 |