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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 2 |
| 1953 | 8 |
| 1954 | 21 |
| 1957 | 56 |
| 1958 | 45 |
| 1959 | 46 |
| 1960 | 64 |
| 1961 | 76 |
| 1962 | 69 |
| 1963 | 97 |
| 1964 | 98 |
| 1965 | 102 |
| 1966 | 93 |
| 1967 | 91 |
| 1968 | 119 |
| 1969 | 150 |
| 1970 | 149 |
| 1971 | 133 |
| 1972 | 151 |
| 1973 | 153 |
| 1974 | 134 |
| 1975 | 113 |
| 1976 | 124 |
| 1977 | 106 |
| 1978 | 125 |
| 1979 | 117 |
| 1980 | 111 |
| 1981 | 129 |
| 1982 | 103 |
| 1983 | 117 |
| 1984 | 129 |
| 1985 | 129 |
| 1986 | 148 |
| 1987 | 121 |
| 1988 | 103 |
| 1989 | 130 |
| 1990 | 129 |
| 1991 | 110 |
| 1992 | 115 |
| 1993 | 131 |
| 1994 | 259 |
| 1995 | 138 |
| 1996 | 134 |
| 1997 | 96 |
| 1998 | 205 |
| 1999 | 105 |
| 2000 | 159 |
| 2001 | 102 |
| 2002 | 196 |
| 2003 | 100 |
| 2004 | 172 |
| 2005 | 91 |
| 2006 | 102 |
| 2007 | 128 |
| 2008 | 103 |
| 2009 | 143 |
| 2010 | 162 |
| 2011 | 162 |
| 2012 | 138 |
| 2013 | 135 |
| 2014 | 149 |
| 2015 | 156 |
| 2016 | 130 |
| 2017 | 134 |
| 2018 | 120 |
| 2019 | 133 |
| 2020 | 185 |
| 2021 | 226 |
| 2022 | 225 |
| 2023 | 174 |
| 2024 | 198 |
| 2025 | 185 |