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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1938 | 1 |
| 1940 | 1 |
| 1944 | 1 |
| 1947 | 1 |
| 1949 | 2 |
| 1950 | 3 |
| 1951 | 2 |
| 1952 | 11 |
| 1953 | 4 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 5 |
| 1957 | 4 |
| 1958 | 4 |
| 1959 | 5 |
| 1961 | 7 |
| 1962 | 14 |
| 1963 | 34 |
| 1964 | 91 |
| 1965 | 108 |
| 1966 | 137 |
| 1967 | 127 |
| 1968 | 159 |
| 1969 | 163 |
| 1970 | 225 |
| 1971 | 204 |
| 1972 | 231 |
| 1973 | 258 |
| 1974 | 297 |
| 1975 | 243 |
| 1976 | 250 |
| 1977 | 229 |
| 1978 | 243 |
| 1979 | 186 |
| 1980 | 205 |
| 1981 | 199 |
| 1982 | 218 |
| 1983 | 238 |
| 1984 | 295 |
| 1985 | 282 |
| 1986 | 282 |
| 1987 | 301 |
| 1988 | 283 |
| 1989 | 217 |
| 1990 | 206 |
| 1991 | 259 |
| 1992 | 232 |
| 1993 | 225 |
| 1994 | 233 |
| 1995 | 195 |
| 1996 | 229 |
| 1997 | 212 |
| 1998 | 223 |
| 1999 | 199 |
| 2000 | 150 |
| 2001 | 147 |
| 2002 | 165 |
| 2003 | 130 |
| 2004 | 119 |
| 2005 | 132 |
| 2006 | 138 |
| 2007 | 145 |
| 2008 | 131 |
| 2009 | 128 |
| 2010 | 130 |
| 2011 | 156 |
| 2012 | 215 |
| 2013 | 213 |
| 2014 | 251 |
| 2015 | 315 |
| 2016 | 301 |
| 2017 | 325 |
| 2018 | 296 |
| 2019 | 322 |
| 2020 | 354 |
| 2021 | 276 |
| 2022 | 250 |
| 2023 | 236 |
| 2024 | 219 |
| 2025 | 143 |