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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 55 |
| 1971 | 62 |
| 1972 | 164 |
| 1973 | 192 |
| 1974 | 245 |
| 1975 | 256 |
| 1976 | 246 |
| 1977 | 260 |
| 1978 | 292 |
| 1979 | 304 |
| 1980 | 362 |
| 1981 | 373 |
| 1982 | 344 |
| 1983 | 322 |
| 1984 | 387 |
| 1985 | 348 |
| 1986 | 351 |
| 1987 | 297 |
| 1988 | 286 |
| 1989 | 297 |
| 1990 | 305 |
| 1991 | 318 |
| 1992 | 280 |
| 1993 | 288 |
| 1994 | 288 |
| 1995 | 275 |
| 1996 | 283 |
| 1997 | 169 |
| 1998 | 148 |
| 1999 | 161 |
| 2000 | 122 |
| 2001 | 133 |
| 2002 | 84 |
| 2003 | 88 |
| 2004 | 93 |
| 2005 | 112 |
| 2006 | 100 |
| 2007 | 72 |
| 2008 | 79 |
| 2009 | 138 |
| 2010 | 185 |
| 2011 | 213 |
| 2012 | 183 |
| 2013 | 120 |
| 2014 | 127 |
| 2015 | 134 |
| 2016 | 134 |
| 2017 | 147 |
| 2018 | 187 |
| 2019 | 129 |
| 2020 | 170 |
| 2021 | 128 |
| 2022 | 105 |
| 2023 | 77 |
| 2024 | 19 |