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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 2 |
| 1974 | 5 |
| 1975 | 25 |
| 1976 | 37 |
| 1977 | 37 |
| 1978 | 44 |
| 1979 | 48 |
| 1980 | 54 |
| 1981 | 74 |
| 1982 | 68 |
| 1983 | 92 |
| 1984 | 101 |
| 1985 | 112 |
| 1986 | 129 |
| 1987 | 126 |
| 1988 | 155 |
| 1989 | 155 |
| 1990 | 178 |
| 1991 | 177 |
| 1992 | 214 |
| 1993 | 172 |
| 1994 | 237 |
| 1995 | 248 |
| 1996 | 313 |
| 1997 | 305 |
| 1998 | 317 |
| 1999 | 306 |
| 2000 | 294 |
| 2001 | 340 |
| 2002 | 317 |
| 2003 | 343 |
| 2004 | 329 |
| 2005 | 379 |
| 2006 | 384 |
| 2007 | 375 |
| 2008 | 463 |
| 2009 | 422 |
| 2010 | 420 |
| 2011 | 483 |
| 2012 | 533 |
| 2013 | 544 |
| 2014 | 566 |
| 2015 | 501 |
| 2016 | 527 |
| 2017 | 434 |
| 2018 | 469 |
| 2019 | 469 |
| 2020 | 449 |
| 2021 | 361 |
| 2022 | 155 |
| 2023 | 81 |
| 2024 | 21 |