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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1959 | 2 |
| 1965 | 1 |
| 1968 | 1 |
| 1970 | 2 |
| 1971 | 9 |
| 1972 | 59 |
| 1973 | 175 |
| 1974 | 224 |
| 1975 | 189 |
| 1976 | 180 |
| 1977 | 256 |
| 1978 | 229 |
| 1979 | 266 |
| 1980 | 279 |
| 1981 | 286 |
| 1982 | 300 |
| 1983 | 343 |
| 1984 | 337 |
| 1985 | 370 |
| 1986 | 416 |
| 1987 | 405 |
| 1988 | 416 |
| 1989 | 523 |
| 1990 | 513 |
| 1991 | 586 |
| 1992 | 603 |
| 1993 | 654 |
| 1994 | 650 |
| 1995 | 807 |
| 1996 | 639 |
| 1997 | 744 |
| 1998 | 843 |
| 1999 | 812 |
| 2000 | 826 |
| 2001 | 805 |
| 2002 | 814 |
| 2003 | 822 |
| 2004 | 793 |
| 2005 | 779 |
| 2006 | 752 |
| 2007 | 744 |
| 2008 | 732 |
| 2009 | 759 |
| 2010 | 825 |
| 2011 | 824 |
| 2012 | 929 |
| 2013 | 927 |
| 2014 | 940 |
| 2015 | 884 |
| 2016 | 889 |
| 2017 | 835 |
| 2018 | 904 |
| 2019 | 865 |
| 2020 | 902 |
| 2021 | 895 |
| 2022 | 669 |
| 2023 | 541 |
| 2024 | 175 |