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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1828 | 3 |
| 1829 | 2 |
| 1831 | 2 |
| 1837 | 1 |
| 1870 | 1 |
| 1873 | 1 |
| 1874 | 2 |
| 1879 | 1 |
| 1881 | 1 |
| 1884 | 3 |
| 1896 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1909 | 1 |
| 1911 | 2 |
| 1915 | 2 |
| 1917 | 2 |
| 1918 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 2 |
| 1930 | 3 |
| 1931 | 2 |
| 1932 | 1 |
| 1934 | 3 |
| 1935 | 1 |
| 1936 | 1 |
| 1937 | 2 |
| 1939 | 2 |
| 1940 | 4 |
| 1941 | 4 |
| 1942 | 4 |
| 1943 | 4 |
| 1944 | 3 |
| 1945 | 4 |
| 1946 | 15 |
| 1947 | 13 |
| 1948 | 19 |
| 1949 | 10 |
| 1950 | 17 |
| 1951 | 11 |
| 1952 | 11 |
| 1953 | 26 |
| 1954 | 14 |
| 1955 | 21 |
| 1956 | 13 |
| 1957 | 21 |
| 1958 | 24 |
| 1959 | 10 |
| 1960 | 15 |
| 1961 | 14 |
| 1962 | 10 |
| 1963 | 4 |
| 1964 | 22 |
| 1965 | 16 |
| 1966 | 16 |
| 1967 | 20 |
| 1968 | 11 |
| 1969 | 15 |
| 1970 | 14 |
| 1971 | 18 |
| 1972 | 16 |
| 1973 | 24 |
| 1974 | 41 |
| 1975 | 23 |
| 1976 | 31 |
| 1977 | 38 |
| 1978 | 32 |
| 1979 | 44 |
| 1980 | 51 |
| 1981 | 51 |
| 1982 | 40 |
| 1983 | 53 |
| 1984 | 70 |
| 1985 | 72 |
| 1986 | 83 |
| 1987 | 86 |
| 1988 | 76 |
| 1989 | 80 |
| 1990 | 105 |
| 1991 | 95 |
| 1992 | 85 |
| 1993 | 99 |
| 1994 | 135 |
| 1995 | 112 |
| 1996 | 118 |
| 1997 | 123 |
| 1998 | 104 |
| 1999 | 131 |
| 2000 | 123 |
| 2001 | 139 |
| 2002 | 131 |
| 2003 | 134 |
| 2004 | 173 |
| 2005 | 175 |
| 2006 | 163 |
| 2007 | 222 |
| 2008 | 201 |
| 2009 | 236 |
| 2010 | 205 |
| 2011 | 187 |
| 2012 | 192 |
| 2013 | 209 |
| 2014 | 210 |
| 2015 | 237 |
| 2016 | 253 |
| 2017 | 207 |
| 2018 | 172 |
| 2019 | 211 |
| 2020 | 220 |
| 2021 | 235 |
| 2022 | 243 |
| 2023 | 194 |
| 2024 | 205 |
| 2025 | 175 |