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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 2 |
| 1971 | 2 |
| 1974 | 16 |
| 1975 | 45 |
| 1976 | 38 |
| 1977 | 41 |
| 1978 | 39 |
| 1979 | 42 |
| 1980 | 48 |
| 1981 | 36 |
| 1982 | 51 |
| 1983 | 60 |
| 1984 | 58 |
| 1985 | 46 |
| 1986 | 71 |
| 1987 | 77 |
| 1988 | 106 |
| 1989 | 76 |
| 1990 | 106 |
| 1991 | 110 |
| 1992 | 148 |
| 1993 | 131 |
| 1994 | 185 |
| 1995 | 146 |
| 1996 | 124 |
| 1997 | 159 |
| 1998 | 159 |
| 1999 | 232 |
| 2000 | 200 |
| 2001 | 185 |
| 2002 | 244 |
| 2003 | 199 |
| 2004 | 342 |
| 2005 | 274 |
| 2006 | 337 |
| 2007 | 394 |
| 2008 | 390 |
| 2009 | 466 |
| 2010 | 456 |
| 2011 | 457 |
| 2012 | 419 |
| 2013 | 454 |
| 2014 | 484 |
| 2015 | 467 |
| 2016 | 533 |
| 2017 | 453 |
| 2018 | 409 |
| 2019 | 386 |
| 2020 | 385 |
| 2021 | 220 |
| 2022 | 264 |
| 2023 | 260 |
| 2024 | 72 |