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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 4 |
| 1949 | 2 |
| 1951 | 5 |
| 1952 | 11 |
| 1953 | 14 |
| 1954 | 18 |
| 1955 | 25 |
| 1956 | 27 |
| 1957 | 30 |
| 1958 | 21 |
| 1959 | 18 |
| 1960 | 19 |
| 1961 | 16 |
| 1962 | 16 |
| 1964 | 6 |
| 1965 | 20 |
| 1966 | 52 |
| 1967 | 82 |
| 1968 | 83 |
| 1969 | 99 |
| 1970 | 154 |
| 1971 | 167 |
| 1972 | 126 |
| 1973 | 106 |
| 1974 | 127 |
| 1975 | 136 |
| 1976 | 122 |
| 1977 | 118 |
| 1978 | 122 |
| 1979 | 112 |
| 1980 | 147 |
| 1981 | 120 |
| 1982 | 170 |
| 1983 | 123 |
| 1984 | 154 |
| 1985 | 166 |
| 1986 | 156 |
| 1987 | 149 |
| 1988 | 126 |
| 1989 | 133 |
| 1990 | 163 |
| 1991 | 138 |
| 1992 | 118 |
| 1993 | 117 |
| 1994 | 124 |
| 1995 | 106 |
| 1996 | 161 |
| 1997 | 146 |
| 1998 | 122 |
| 1999 | 127 |
| 2000 | 195 |
| 2001 | 242 |
| 2002 | 216 |
| 2003 | 257 |
| 2004 | 320 |
| 2005 | 268 |
| 2006 | 204 |
| 2007 | 207 |
| 2008 | 188 |
| 2009 | 195 |
| 2010 | 176 |
| 2011 | 149 |
| 2012 | 165 |
| 2013 | 173 |
| 2014 | 153 |
| 2015 | 133 |
| 2016 | 134 |
| 2017 | 121 |
| 2018 | 112 |
| 2019 | 89 |
| 2020 | 97 |
| 2021 | 74 |
| 2022 | 55 |
| 2023 | 57 |
| 2024 | 22 |