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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1949 | 2 |
| 1950 | 4 |
| 1951 | 3 |
| 1952 | 2 |
| 1953 | 4 |
| 1954 | 2 |
| 1955 | 3 |
| 1956 | 6 |
| 1957 | 11 |
| 1958 | 11 |
| 1959 | 14 |
| 1960 | 16 |
| 1961 | 27 |
| 1962 | 43 |
| 1963 | 66 |
| 1964 | 160 |
| 1965 | 147 |
| 1966 | 158 |
| 1967 | 213 |
| 1968 | 260 |
| 1969 | 244 |
| 1970 | 255 |
| 1971 | 298 |
| 1972 | 307 |
| 1973 | 304 |
| 1974 | 308 |
| 1975 | 273 |
| 1976 | 231 |
| 1977 | 250 |
| 1978 | 198 |
| 1979 | 243 |
| 1980 | 255 |
| 1981 | 210 |
| 1982 | 215 |
| 1983 | 184 |
| 1984 | 197 |
| 1985 | 202 |
| 1986 | 234 |
| 1987 | 187 |
| 1988 | 172 |
| 1989 | 173 |
| 1990 | 177 |
| 1991 | 208 |
| 1992 | 187 |
| 1993 | 189 |
| 1994 | 198 |
| 1995 | 148 |
| 1996 | 156 |
| 1997 | 167 |
| 1998 | 155 |
| 1999 | 149 |
| 2000 | 137 |
| 2001 | 139 |
| 2002 | 161 |
| 2003 | 151 |
| 2004 | 157 |
| 2005 | 151 |
| 2006 | 170 |
| 2007 | 192 |
| 2008 | 152 |
| 2009 | 193 |
| 2010 | 203 |
| 2011 | 203 |
| 2012 | 185 |
| 2013 | 188 |
| 2014 | 182 |
| 2015 | 165 |
| 2016 | 164 |
| 2017 | 124 |
| 2018 | 140 |
| 2019 | 113 |
| 2020 | 87 |
| 2021 | 76 |
| 2022 | 90 |
| 2023 | 53 |
| 2024 | 23 |