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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 5 |
| 1967 | 9 |
| 1968 | 19 |
| 1969 | 44 |
| 1970 | 39 |
| 1971 | 117 |
| 1972 | 118 |
| 1973 | 163 |
| 1974 | 219 |
| 1975 | 251 |
| 1976 | 268 |
| 1977 | 233 |
| 1978 | 200 |
| 1979 | 190 |
| 1980 | 150 |
| 1981 | 174 |
| 1982 | 237 |
| 1983 | 315 |
| 1984 | 273 |
| 1985 | 325 |
| 1986 | 326 |
| 1987 | 288 |
| 1988 | 334 |
| 1989 | 362 |
| 1990 | 339 |
| 1991 | 366 |
| 1992 | 397 |
| 1993 | 372 |
| 1994 | 419 |
| 1995 | 456 |
| 1996 | 477 |
| 1997 | 536 |
| 1998 | 523 |
| 1999 | 544 |
| 2000 | 516 |
| 2001 | 579 |
| 2002 | 575 |
| 2003 | 587 |
| 2004 | 642 |
| 2005 | 646 |
| 2006 | 669 |
| 2007 | 725 |
| 2008 | 807 |
| 2009 | 920 |
| 2010 | 848 |
| 2011 | 875 |
| 2012 | 848 |
| 2013 | 799 |
| 2014 | 819 |
| 2015 | 793 |
| 2016 | 803 |
| 2017 | 718 |
| 2018 | 679 |
| 2019 | 582 |
| 2020 | 444 |
| 2021 | 328 |
| 2022 | 43 |
| 2023 | 13 |
| 2024 | 14 |