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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 2 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 3 |
| 1963 | 1 |
| 1964 | 3 |
| 1965 | 25 |
| 1966 | 37 |
| 1967 | 46 |
| 1968 | 63 |
| 1969 | 61 |
| 1970 | 109 |
| 1971 | 104 |
| 1972 | 98 |
| 1973 | 88 |
| 1974 | 130 |
| 1975 | 120 |
| 1976 | 67 |
| 1977 | 103 |
| 1978 | 105 |
| 1979 | 128 |
| 1980 | 108 |
| 1981 | 106 |
| 1982 | 115 |
| 1983 | 114 |
| 1984 | 122 |
| 1985 | 120 |
| 1986 | 92 |
| 1987 | 95 |
| 1988 | 76 |
| 1989 | 88 |
| 1990 | 90 |
| 1991 | 81 |
| 1992 | 88 |
| 1993 | 86 |
| 1994 | 77 |
| 1995 | 82 |
| 1996 | 67 |
| 1997 | 85 |
| 1998 | 88 |
| 1999 | 94 |
| 2000 | 103 |
| 2001 | 76 |
| 2002 | 87 |
| 2003 | 93 |
| 2004 | 94 |
| 2005 | 120 |
| 2006 | 109 |
| 2007 | 122 |
| 2008 | 108 |
| 2009 | 107 |
| 2010 | 126 |
| 2011 | 141 |
| 2012 | 163 |
| 2013 | 169 |
| 2014 | 163 |
| 2015 | 182 |
| 2016 | 160 |
| 2017 | 133 |
| 2018 | 154 |
| 2019 | 143 |
| 2020 | 179 |
| 2021 | 151 |
| 2022 | 32 |
| 2023 | 3 |
| 2024 | 48 |