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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 5 |
| 1966 | 10 |
| 1967 | 18 |
| 1968 | 45 |
| 1969 | 86 |
| 1970 | 93 |
| 1971 | 59 |
| 1972 | 55 |
| 1973 | 126 |
| 1974 | 130 |
| 1975 | 148 |
| 1976 | 223 |
| 1977 | 256 |
| 1978 | 188 |
| 1979 | 205 |
| 1980 | 225 |
| 1981 | 253 |
| 1982 | 319 |
| 1983 | 280 |
| 1984 | 290 |
| 1985 | 322 |
| 1986 | 301 |
| 1987 | 301 |
| 1988 | 335 |
| 1989 | 313 |
| 1990 | 344 |
| 1991 | 426 |
| 1992 | 562 |
| 1993 | 694 |
| 1994 | 626 |
| 1995 | 691 |
| 1996 | 570 |
| 1997 | 529 |
| 1998 | 602 |
| 1999 | 559 |
| 2000 | 581 |
| 2001 | 574 |
| 2002 | 536 |
| 2003 | 587 |
| 2004 | 569 |
| 2005 | 630 |
| 2006 | 642 |
| 2007 | 635 |
| 2008 | 644 |
| 2009 | 728 |
| 2010 | 643 |
| 2011 | 678 |
| 2012 | 681 |
| 2013 | 663 |
| 2014 | 633 |
| 2015 | 686 |
| 2016 | 642 |
| 2017 | 594 |
| 2018 | 598 |
| 2019 | 568 |
| 2020 | 759 |
| 2021 | 609 |
| 2022 | 93 |
| 2023 | 31 |
| 2024 | 8 |