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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1908 | 1 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 4 |
| 1932 | 5 |
| 1934 | 5 |
| 1935 | 4 |
| 1936 | 3 |
| 1937 | 1 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 3 |
| 1942 | 3 |
| 1943 | 7 |
| 1944 | 4 |
| 1945 | 5 |
| 1946 | 6 |
| 1947 | 3 |
| 1948 | 5 |
| 1949 | 7 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 1 |
| 1955 | 1 |
| 1956 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1961 | 28 |
| 1962 | 34 |
| 1963 | 24 |
| 1964 | 1 |
| 1965 | 2 |
| 1966 | 2 |
| 1967 | 1 |
| 1968 | 2 |
| 1970 | 3 |
| 1971 | 3 |
| 1972 | 5 |
| 1973 | 2 |
| 1974 | 2 |
| 1975 | 11 |
| 1976 | 10 |
| 1977 | 10 |
| 1978 | 12 |
| 1979 | 2 |
| 1980 | 10 |
| 1981 | 29 |
| 1982 | 6 |
| 1983 | 14 |
| 1984 | 16 |
| 1985 | 12 |
| 1986 | 26 |
| 1987 | 109 |
| 1988 | 244 |
| 1989 | 285 |
| 1990 | 293 |
| 1991 | 328 |
| 1992 | 367 |
| 1993 | 446 |
| 1994 | 446 |
| 1995 | 523 |
| 1996 | 495 |
| 1997 | 731 |
| 1998 | 774 |
| 1999 | 834 |
| 2000 | 847 |
| 2001 | 866 |
| 2002 | 775 |
| 2003 | 872 |
| 2004 | 973 |
| 2005 | 929 |
| 2006 | 1031 |
| 2007 | 978 |
| 2008 | 1100 |
| 2009 | 1172 |
| 2010 | 1203 |
| 2011 | 1281 |
| 2012 | 1360 |
| 2013 | 1661 |
| 2014 | 2616 |
| 2015 | 3224 |
| 2016 | 3685 |
| 2017 | 3750 |
| 2018 | 3786 |
| 2019 | 3997 |
| 2020 | 4871 |
| 2021 | 5027 |
| 2022 | 4605 |
| 2023 | 4349 |
| 2024 | 1696 |