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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 2 |
| 1972 | 1 |
| 1973 | 2 |
| 1974 | 8 |
| 1975 | 40 |
| 1976 | 61 |
| 1977 | 69 |
| 1978 | 87 |
| 1979 | 68 |
| 1980 | 56 |
| 1981 | 40 |
| 1982 | 73 |
| 1983 | 102 |
| 1984 | 152 |
| 1985 | 160 |
| 1986 | 198 |
| 1987 | 175 |
| 1988 | 181 |
| 1989 | 190 |
| 1990 | 201 |
| 1991 | 166 |
| 1992 | 255 |
| 1993 | 240 |
| 1994 | 285 |
| 1995 | 294 |
| 1996 | 292 |
| 1997 | 262 |
| 1998 | 325 |
| 1999 | 276 |
| 2000 | 371 |
| 2001 | 329 |
| 2002 | 331 |
| 2003 | 326 |
| 2004 | 373 |
| 2005 | 401 |
| 2006 | 398 |
| 2007 | 456 |
| 2008 | 497 |
| 2009 | 501 |
| 2010 | 524 |
| 2011 | 690 |
| 2012 | 702 |
| 2013 | 678 |
| 2014 | 608 |
| 2015 | 641 |
| 2016 | 646 |
| 2017 | 638 |
| 2018 | 679 |
| 2019 | 637 |
| 2020 | 583 |
| 2021 | 505 |
| 2022 | 305 |
| 2023 | 206 |
| 2024 | 123 |