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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1954 | 1 |
| 1957 | 3 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1965 | 3 |
| 1966 | 5 |
| 1967 | 23 |
| 1968 | 23 |
| 1969 | 29 |
| 1970 | 31 |
| 1971 | 38 |
| 1972 | 33 |
| 1973 | 35 |
| 1974 | 49 |
| 1975 | 43 |
| 1976 | 34 |
| 1977 | 41 |
| 1978 | 44 |
| 1979 | 39 |
| 1980 | 35 |
| 1981 | 40 |
| 1982 | 56 |
| 1983 | 63 |
| 1984 | 84 |
| 1985 | 109 |
| 1986 | 79 |
| 1987 | 106 |
| 1988 | 108 |
| 1989 | 93 |
| 1990 | 108 |
| 1991 | 97 |
| 1992 | 85 |
| 1993 | 96 |
| 1994 | 91 |
| 1995 | 96 |
| 1996 | 86 |
| 1997 | 97 |
| 1998 | 112 |
| 1999 | 140 |
| 2000 | 148 |
| 2001 | 163 |
| 2002 | 164 |
| 2003 | 165 |
| 2004 | 192 |
| 2005 | 262 |
| 2006 | 302 |
| 2007 | 380 |
| 2008 | 426 |
| 2009 | 432 |
| 2010 | 437 |
| 2011 | 530 |
| 2012 | 525 |
| 2013 | 653 |
| 2014 | 586 |
| 2015 | 652 |
| 2016 | 655 |
| 2017 | 648 |
| 2018 | 642 |
| 2019 | 559 |
| 2020 | 549 |
| 2021 | 420 |
| 2022 | 201 |
| 2023 | 175 |
| 2024 | 32 |