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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1972 | 1 |
| 1974 | 2 |
| 1978 | 2 |
| 1979 | 62 |
| 1980 | 189 |
| 1981 | 167 |
| 1982 | 158 |
| 1983 | 153 |
| 1984 | 119 |
| 1985 | 119 |
| 1986 | 131 |
| 1987 | 88 |
| 1988 | 86 |
| 1989 | 103 |
| 1990 | 117 |
| 1991 | 128 |
| 1992 | 114 |
| 1993 | 143 |
| 1994 | 164 |
| 1995 | 149 |
| 1996 | 202 |
| 1997 | 214 |
| 1998 | 220 |
| 1999 | 224 |
| 2000 | 209 |
| 2001 | 249 |
| 2002 | 236 |
| 2003 | 246 |
| 2004 | 283 |
| 2005 | 289 |
| 2006 | 297 |
| 2007 | 344 |
| 2008 | 311 |
| 2009 | 386 |
| 2010 | 406 |
| 2011 | 453 |
| 2012 | 469 |
| 2013 | 466 |
| 2014 | 444 |
| 2015 | 408 |
| 2016 | 446 |
| 2017 | 395 |
| 2018 | 391 |
| 2019 | 401 |
| 2020 | 400 |
| 2021 | 378 |
| 2022 | 399 |
| 2023 | 365 |
| 2024 | 125 |