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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1969 | 1 |
| 1970 | 4 |
| 1971 | 53 |
| 1972 | 88 |
| 1973 | 108 |
| 1974 | 120 |
| 1975 | 80 |
| 1976 | 108 |
| 1977 | 105 |
| 1978 | 78 |
| 1979 | 99 |
| 1980 | 109 |
| 1981 | 126 |
| 1982 | 135 |
| 1983 | 112 |
| 1984 | 159 |
| 1985 | 191 |
| 1986 | 214 |
| 1987 | 180 |
| 1988 | 212 |
| 1989 | 211 |
| 1990 | 309 |
| 1991 | 335 |
| 1992 | 340 |
| 1993 | 374 |
| 1994 | 400 |
| 1995 | 381 |
| 1996 | 407 |
| 1997 | 432 |
| 1998 | 444 |
| 1999 | 451 |
| 2000 | 505 |
| 2001 | 488 |
| 2002 | 416 |
| 2003 | 438 |
| 2004 | 407 |
| 2005 | 358 |
| 2006 | 334 |
| 2007 | 317 |
| 2008 | 287 |
| 2009 | 288 |
| 2010 | 277 |
| 2011 | 292 |
| 2012 | 235 |
| 2013 | 248 |
| 2014 | 190 |
| 2015 | 192 |
| 2016 | 192 |
| 2017 | 162 |
| 2018 | 155 |
| 2019 | 142 |
| 2020 | 122 |
| 2021 | 114 |
| 2022 | 114 |
| 2023 | 88 |
| 2024 | 30 |