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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1919 | 1 |
| 1933 | 1 |
| 1935 | 2 |
| 1938 | 1 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 19 |
| 1948 | 22 |
| 1949 | 11 |
| 1950 | 23 |
| 1951 | 41 |
| 1952 | 42 |
| 1953 | 33 |
| 1954 | 46 |
| 1955 | 45 |
| 1956 | 56 |
| 1957 | 32 |
| 1958 | 36 |
| 1959 | 41 |
| 1960 | 44 |
| 1961 | 38 |
| 1962 | 33 |
| 1963 | 54 |
| 1964 | 50 |
| 1965 | 49 |
| 1966 | 49 |
| 1967 | 66 |
| 1968 | 82 |
| 1969 | 58 |
| 1970 | 76 |
| 1971 | 123 |
| 1972 | 92 |
| 1973 | 69 |
| 1974 | 80 |
| 1975 | 106 |
| 1976 | 88 |
| 1977 | 108 |
| 1978 | 99 |
| 1979 | 115 |
| 1980 | 131 |
| 1981 | 115 |
| 1982 | 137 |
| 1983 | 142 |
| 1984 | 129 |
| 1985 | 163 |
| 1986 | 164 |
| 1987 | 165 |
| 1988 | 207 |
| 1989 | 221 |
| 1990 | 251 |
| 1991 | 251 |
| 1992 | 242 |
| 1993 | 237 |
| 1994 | 313 |
| 1995 | 345 |
| 1996 | 386 |
| 1997 | 434 |
| 1998 | 456 |
| 1999 | 530 |
| 2000 | 696 |
| 2001 | 739 |
| 2002 | 861 |
| 2003 | 1006 |
| 2004 | 1250 |
| 2005 | 1482 |
| 2006 | 1636 |
| 2007 | 1993 |
| 2008 | 2278 |
| 2009 | 2652 |
| 2010 | 3219 |
| 2011 | 3711 |
| 2012 | 4239 |
| 2013 | 4404 |
| 2014 | 4842 |
| 2015 | 5284 |
| 2016 | 5376 |
| 2017 | 5402 |
| 2018 | 5697 |
| 2019 | 5880 |
| 2020 | 6551 |
| 2021 | 7108 |
| 2022 | 6550 |
| 2023 | 1709 |