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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1974 | 16 |
| 1975 | 48 |
| 1976 | 52 |
| 1977 | 78 |
| 1978 | 85 |
| 1979 | 125 |
| 1980 | 134 |
| 1981 | 197 |
| 1982 | 244 |
| 1983 | 315 |
| 1984 | 365 |
| 1985 | 280 |
| 1986 | 274 |
| 1987 | 250 |
| 1988 | 248 |
| 1989 | 201 |
| 1990 | 314 |
| 1991 | 376 |
| 1992 | 433 |
| 1993 | 378 |
| 1994 | 269 |
| 1995 | 277 |
| 1996 | 254 |
| 1997 | 267 |
| 1998 | 264 |
| 1999 | 239 |
| 2000 | 337 |
| 2001 | 286 |
| 2002 | 339 |
| 2003 | 352 |
| 2004 | 417 |
| 2005 | 503 |
| 2006 | 562 |
| 2007 | 698 |
| 2008 | 782 |
| 2009 | 837 |
| 2010 | 783 |
| 2011 | 924 |
| 2012 | 1102 |
| 2013 | 1237 |
| 2014 | 1304 |
| 2015 | 1166 |
| 2016 | 1197 |
| 2017 | 1339 |
| 2018 | 1422 |
| 2019 | 1170 |
| 2020 | 644 |
| 2021 | 425 |
| 2022 | 227 |
| 2023 | 206 |
| 2024 | 200 |