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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1960 | 1 |
| 1965 | 35 |
| 1966 | 46 |
| 1967 | 48 |
| 1968 | 82 |
| 1969 | 83 |
| 1970 | 75 |
| 1971 | 80 |
| 1972 | 93 |
| 1973 | 107 |
| 1974 | 124 |
| 1975 | 134 |
| 1976 | 122 |
| 1977 | 154 |
| 1978 | 133 |
| 1979 | 116 |
| 1980 | 158 |
| 1981 | 107 |
| 1982 | 150 |
| 1983 | 106 |
| 1984 | 114 |
| 1985 | 133 |
| 1986 | 178 |
| 1987 | 185 |
| 1988 | 306 |
| 1989 | 324 |
| 1990 | 399 |
| 1991 | 411 |
| 1992 | 388 |
| 1993 | 389 |
| 1994 | 411 |
| 1995 | 452 |
| 1996 | 386 |
| 1997 | 408 |
| 1998 | 425 |
| 1999 | 489 |
| 2000 | 533 |
| 2001 | 662 |
| 2002 | 693 |
| 2003 | 725 |
| 2004 | 666 |
| 2005 | 693 |
| 2006 | 550 |
| 2007 | 546 |
| 2008 | 658 |
| 2009 | 581 |
| 2010 | 575 |
| 2011 | 629 |
| 2012 | 597 |
| 2013 | 655 |
| 2014 | 701 |
| 2015 | 732 |
| 2016 | 621 |
| 2017 | 608 |
| 2018 | 620 |
| 2019 | 554 |
| 2020 | 571 |
| 2021 | 514 |
| 2022 | 461 |
| 2023 | 453 |
| 2024 | 152 |