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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1850 | 1 |
| 1864 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 2 |
| 1883 | 1 |
| 1884 | 1 |
| 1899 | 1 |
| 1902 | 2 |
| 1903 | 2 |
| 1904 | 2 |
| 1905 | 2 |
| 1906 | 2 |
| 1907 | 2 |
| 1908 | 1 |
| 1915 | 1 |
| 1919 | 2 |
| 1920 | 3 |
| 1921 | 4 |
| 1922 | 2 |
| 1925 | 1 |
| 1926 | 5 |
| 1927 | 4 |
| 1928 | 4 |
| 1929 | 3 |
| 1930 | 1 |
| 1931 | 6 |
| 1932 | 7 |
| 1933 | 3 |
| 1934 | 5 |
| 1935 | 1 |
| 1936 | 4 |
| 1937 | 2 |
| 1938 | 5 |
| 1939 | 4 |
| 1943 | 3 |
| 1944 | 2 |
| 1945 | 5 |
| 1946 | 15 |
| 1947 | 15 |
| 1948 | 17 |
| 1949 | 16 |
| 1950 | 14 |
| 1951 | 19 |
| 1952 | 10 |
| 1953 | 15 |
| 1954 | 10 |
| 1955 | 15 |
| 1956 | 26 |
| 1957 | 14 |
| 1958 | 12 |
| 1959 | 17 |
| 1960 | 11 |
| 1961 | 12 |
| 1962 | 13 |
| 1963 | 19 |
| 1964 | 26 |
| 1965 | 15 |
| 1966 | 17 |
| 1967 | 23 |
| 1968 | 17 |
| 1969 | 29 |
| 1970 | 27 |
| 1971 | 36 |
| 1972 | 17 |
| 1973 | 27 |
| 1974 | 40 |
| 1975 | 32 |
| 1976 | 42 |
| 1977 | 33 |
| 1978 | 42 |
| 1979 | 37 |
| 1980 | 41 |
| 1981 | 40 |
| 1982 | 60 |
| 1983 | 65 |
| 1984 | 73 |
| 1985 | 63 |
| 1986 | 55 |
| 1987 | 70 |
| 1988 | 53 |
| 1989 | 57 |
| 1990 | 68 |
| 1991 | 69 |
| 1992 | 81 |
| 1993 | 98 |
| 1994 | 102 |
| 1995 | 116 |
| 1996 | 106 |
| 1997 | 111 |
| 1998 | 107 |
| 1999 | 100 |
| 2000 | 123 |
| 2001 | 117 |
| 2002 | 110 |
| 2003 | 122 |
| 2004 | 137 |
| 2005 | 141 |
| 2006 | 133 |
| 2007 | 157 |
| 2008 | 160 |
| 2009 | 145 |
| 2010 | 137 |
| 2011 | 172 |
| 2012 | 179 |
| 2013 | 181 |
| 2014 | 196 |
| 2015 | 214 |
| 2016 | 218 |
| 2017 | 234 |
| 2018 | 214 |
| 2019 | 246 |
| 2020 | 295 |
| 2021 | 309 |
| 2022 | 252 |
| 2023 | 252 |
| 2024 | 103 |