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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 13 |
| 1949 | 6 |
| 1950 | 8 |
| 1951 | 34 |
| 1952 | 81 |
| 1953 | 89 |
| 1954 | 94 |
| 1955 | 67 |
| 1956 | 74 |
| 1957 | 56 |
| 1958 | 84 |
| 1959 | 35 |
| 1960 | 2 |
| 1961 | 11 |
| 1962 | 72 |
| 1963 | 190 |
| 1964 | 288 |
| 1965 | 293 |
| 1966 | 228 |
| 1967 | 188 |
| 1968 | 198 |
| 1969 | 207 |
| 1970 | 211 |
| 1971 | 228 |
| 1972 | 255 |
| 1973 | 228 |
| 1974 | 299 |
| 1975 | 273 |
| 1976 | 219 |
| 1977 | 206 |
| 1978 | 211 |
| 1979 | 201 |
| 1980 | 172 |
| 1981 | 155 |
| 1982 | 136 |
| 1983 | 178 |
| 1984 | 233 |
| 1985 | 200 |
| 1986 | 210 |
| 1987 | 296 |
| 1988 | 248 |
| 1989 | 242 |
| 1990 | 302 |
| 1991 | 266 |
| 1992 | 318 |
| 1993 | 313 |
| 1994 | 250 |
| 1995 | 168 |
| 1996 | 151 |
| 1997 | 166 |
| 1998 | 198 |
| 1999 | 160 |
| 2000 | 181 |
| 2001 | 174 |
| 2002 | 140 |
| 2003 | 154 |
| 2004 | 152 |
| 2005 | 163 |
| 2006 | 142 |
| 2007 | 131 |
| 2008 | 147 |
| 2009 | 160 |
| 2010 | 126 |
| 2011 | 122 |
| 2012 | 121 |
| 2013 | 133 |
| 2014 | 105 |
| 2015 | 96 |
| 2016 | 88 |
| 2017 | 89 |
| 2018 | 83 |
| 2019 | 51 |
| 2020 | 42 |
| 2021 | 39 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 3 |