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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1929 | 1 |
| 1931 | 2 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 3 |
| 1937 | 1 |
| 1939 | 2 |
| 1941 | 1 |
| 1943 | 2 |
| 1945 | 3 |
| 1946 | 3 |
| 1947 | 7 |
| 1948 | 3 |
| 1949 | 6 |
| 1950 | 11 |
| 1951 | 9 |
| 1952 | 9 |
| 1953 | 18 |
| 1954 | 11 |
| 1955 | 11 |
| 1956 | 16 |
| 1957 | 22 |
| 1958 | 21 |
| 1959 | 34 |
| 1960 | 33 |
| 1961 | 36 |
| 1962 | 42 |
| 1963 | 86 |
| 1964 | 126 |
| 1965 | 107 |
| 1966 | 106 |
| 1967 | 122 |
| 1968 | 172 |
| 1969 | 232 |
| 1970 | 250 |
| 1971 | 248 |
| 1972 | 284 |
| 1973 | 308 |
| 1974 | 395 |
| 1975 | 422 |
| 1976 | 460 |
| 1977 | 501 |
| 1978 | 512 |
| 1979 | 505 |
| 1980 | 635 |
| 1981 | 549 |
| 1982 | 614 |
| 1983 | 610 |
| 1984 | 637 |
| 1985 | 676 |
| 1986 | 737 |
| 1987 | 623 |
| 1988 | 695 |
| 1989 | 790 |
| 1990 | 775 |
| 1991 | 823 |
| 1992 | 819 |
| 1993 | 814 |
| 1994 | 770 |
| 1995 | 870 |
| 1996 | 850 |
| 1997 | 764 |
| 1998 | 826 |
| 1999 | 821 |
| 2000 | 929 |
| 2001 | 885 |
| 2002 | 927 |
| 2003 | 1021 |
| 2004 | 1090 |
| 2005 | 1277 |
| 2006 | 1249 |
| 2007 | 1207 |
| 2008 | 1213 |
| 2009 | 1280 |
| 2010 | 1375 |
| 2011 | 1578 |
| 2012 | 1569 |
| 2013 | 1628 |
| 2014 | 1540 |
| 2015 | 1561 |
| 2016 | 1605 |
| 2017 | 1523 |
| 2018 | 1509 |
| 2019 | 1514 |
| 2020 | 1572 |
| 2021 | 1586 |
| 2022 | 1516 |
| 2023 | 166 |