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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1809 | 1 |
| 1827 | 1 |
| 1873 | 1 |
| 1889 | 1 |
| 1896 | 2 |
| 1899 | 1 |
| 1906 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1913 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1921 | 1 |
| 1924 | 1 |
| 1925 | 6 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 2 |
| 1937 | 2 |
| 1939 | 1 |
| 1940 | 3 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 2 |
| 1945 | 1 |
| 1946 | 7 |
| 1947 | 10 |
| 1948 | 9 |
| 1949 | 9 |
| 1950 | 11 |
| 1951 | 10 |
| 1952 | 5 |
| 1953 | 11 |
| 1954 | 11 |
| 1955 | 8 |
| 1956 | 11 |
| 1957 | 7 |
| 1958 | 15 |
| 1959 | 11 |
| 1960 | 8 |
| 1961 | 13 |
| 1962 | 21 |
| 1963 | 18 |
| 1964 | 22 |
| 1965 | 16 |
| 1966 | 16 |
| 1967 | 18 |
| 1968 | 24 |
| 1969 | 21 |
| 1970 | 24 |
| 1971 | 40 |
| 1972 | 23 |
| 1973 | 44 |
| 1974 | 32 |
| 1975 | 43 |
| 1976 | 25 |
| 1977 | 25 |
| 1978 | 29 |
| 1979 | 36 |
| 1980 | 40 |
| 1981 | 28 |
| 1982 | 30 |
| 1983 | 18 |
| 1984 | 27 |
| 1985 | 38 |
| 1986 | 31 |
| 1987 | 47 |
| 1988 | 43 |
| 1989 | 38 |
| 1990 | 49 |
| 1991 | 57 |
| 1992 | 59 |
| 1993 | 67 |
| 1994 | 56 |
| 1995 | 66 |
| 1996 | 60 |
| 1997 | 62 |
| 1998 | 78 |
| 1999 | 76 |
| 2000 | 109 |
| 2001 | 106 |
| 2002 | 102 |
| 2003 | 101 |
| 2004 | 137 |
| 2005 | 159 |
| 2006 | 160 |
| 2007 | 153 |
| 2008 | 166 |
| 2009 | 168 |
| 2010 | 215 |
| 2011 | 202 |
| 2012 | 254 |
| 2013 | 248 |
| 2014 | 259 |
| 2015 | 273 |
| 2016 | 297 |
| 2017 | 303 |
| 2018 | 325 |
| 2019 | 274 |
| 2020 | 350 |
| 2021 | 380 |
| 2022 | 382 |
| 2023 | 145 |