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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 32 |
| 1973 | 115 |
| 1974 | 160 |
| 1975 | 127 |
| 1976 | 157 |
| 1977 | 130 |
| 1978 | 120 |
| 1979 | 118 |
| 1980 | 73 |
| 1981 | 49 |
| 1982 | 67 |
| 1983 | 40 |
| 1984 | 55 |
| 1985 | 58 |
| 1986 | 52 |
| 1987 | 55 |
| 1988 | 75 |
| 1989 | 102 |
| 1990 | 211 |
| 1991 | 286 |
| 1992 | 279 |
| 1993 | 333 |
| 1994 | 364 |
| 1995 | 399 |
| 1996 | 403 |
| 1997 | 385 |
| 1998 | 403 |
| 1999 | 403 |
| 2000 | 405 |
| 2001 | 391 |
| 2002 | 447 |
| 2003 | 486 |
| 2004 | 510 |
| 2005 | 466 |
| 2006 | 520 |
| 2007 | 546 |
| 2008 | 603 |
| 2009 | 641 |
| 2010 | 657 |
| 2011 | 796 |
| 2012 | 772 |
| 2013 | 781 |
| 2014 | 735 |
| 2015 | 641 |
| 2016 | 611 |
| 2017 | 583 |
| 2018 | 499 |
| 2019 | 520 |
| 2020 | 668 |
| 2021 | 720 |
| 2022 | 411 |
| 2023 | 262 |
| 2024 | 125 |