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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1939 | 2 |
| 1945 | 2 |
| 1946 | 1 |
| 1947 | 2 |
| 1948 | 4 |
| 1949 | 2 |
| 1950 | 2 |
| 1951 | 9 |
| 1952 | 5 |
| 1953 | 4 |
| 1954 | 4 |
| 1955 | 6 |
| 1956 | 6 |
| 1957 | 7 |
| 1958 | 11 |
| 1959 | 2 |
| 1960 | 3 |
| 1961 | 5 |
| 1962 | 11 |
| 1963 | 26 |
| 1964 | 29 |
| 1965 | 13 |
| 1966 | 9 |
| 1967 | 6 |
| 1968 | 10 |
| 1969 | 10 |
| 1970 | 14 |
| 1971 | 11 |
| 1972 | 14 |
| 1973 | 23 |
| 1974 | 18 |
| 1975 | 70 |
| 1976 | 57 |
| 1977 | 56 |
| 1978 | 57 |
| 1979 | 89 |
| 1980 | 164 |
| 1981 | 236 |
| 1982 | 202 |
| 1983 | 253 |
| 1984 | 264 |
| 1985 | 259 |
| 1986 | 218 |
| 1987 | 273 |
| 1988 | 331 |
| 1989 | 388 |
| 1990 | 748 |
| 1991 | 1016 |
| 1992 | 1294 |
| 1993 | 1569 |
| 1994 | 1889 |
| 1995 | 2323 |
| 1996 | 2085 |
| 1997 | 2392 |
| 1998 | 2399 |
| 1999 | 2730 |
| 2000 | 2945 |
| 2001 | 2958 |
| 2002 | 3214 |
| 2003 | 3451 |
| 2004 | 3716 |
| 2005 | 4165 |
| 2006 | 4103 |
| 2007 | 4271 |
| 2008 | 4366 |
| 2009 | 4601 |
| 2010 | 4666 |
| 2011 | 5288 |
| 2012 | 5567 |
| 2013 | 5961 |
| 2014 | 6345 |
| 2015 | 6405 |
| 2016 | 6328 |
| 2017 | 6135 |
| 2018 | 5858 |
| 2019 | 5526 |
| 2020 | 5376 |
| 2021 | 5256 |
| 2022 | 4610 |
| 2023 | 3868 |
| 2024 | 1332 |