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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1815 | 1 |
| 1852 | 1 |
| 1865 | 1 |
| 1877 | 1 |
| 1878 | 2 |
| 1882 | 2 |
| 1883 | 1 |
| 1884 | 4 |
| 1885 | 3 |
| 1889 | 2 |
| 1890 | 1 |
| 1891 | 3 |
| 1892 | 2 |
| 1894 | 3 |
| 1895 | 4 |
| 1896 | 2 |
| 1897 | 1 |
| 1901 | 1 |
| 1902 | 2 |
| 1904 | 1 |
| 1905 | 1 |
| 1906 | 2 |
| 1908 | 1 |
| 1909 | 4 |
| 1910 | 3 |
| 1911 | 3 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 4 |
| 1915 | 1 |
| 1916 | 3 |
| 1917 | 1 |
| 1918 | 1 |
| 1919 | 2 |
| 1920 | 3 |
| 1921 | 1 |
| 1922 | 1 |
| 1926 | 1 |
| 1927 | 6 |
| 1928 | 4 |
| 1929 | 1 |
| 1930 | 2 |
| 1931 | 2 |
| 1932 | 3 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 7 |
| 1936 | 6 |
| 1937 | 5 |
| 1938 | 4 |
| 1939 | 7 |
| 1940 | 2 |
| 1942 | 3 |
| 1944 | 8 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 12 |
| 1948 | 19 |
| 1949 | 15 |
| 1950 | 10 |
| 1951 | 13 |
| 1952 | 12 |
| 1953 | 9 |
| 1954 | 16 |
| 1955 | 17 |
| 1956 | 11 |
| 1957 | 10 |
| 1958 | 14 |
| 1959 | 19 |
| 1960 | 16 |
| 1961 | 14 |
| 1962 | 14 |
| 1963 | 21 |
| 1964 | 26 |
| 1965 | 21 |
| 1966 | 30 |
| 1967 | 30 |
| 1968 | 28 |
| 1969 | 22 |
| 1970 | 42 |
| 1971 | 50 |
| 1972 | 57 |
| 1973 | 45 |
| 1974 | 54 |
| 1975 | 76 |
| 1976 | 71 |
| 1977 | 68 |
| 1978 | 82 |
| 1979 | 73 |
| 1980 | 68 |
| 1981 | 82 |
| 1982 | 75 |
| 1983 | 86 |
| 1984 | 84 |
| 1985 | 98 |
| 1986 | 121 |
| 1987 | 128 |
| 1988 | 119 |
| 1989 | 161 |
| 1990 | 145 |
| 1991 | 150 |
| 1992 | 136 |
| 1993 | 153 |
| 1994 | 152 |
| 1995 | 188 |
| 1996 | 181 |
| 1997 | 129 |
| 1998 | 134 |
| 1999 | 147 |
| 2000 | 187 |
| 2001 | 139 |
| 2002 | 151 |
| 2003 | 165 |
| 2004 | 180 |
| 2005 | 187 |
| 2006 | 215 |
| 2007 | 224 |
| 2008 | 182 |
| 2009 | 192 |
| 2010 | 191 |
| 2011 | 275 |
| 2012 | 285 |
| 2013 | 264 |
| 2014 | 325 |
| 2015 | 354 |
| 2016 | 359 |
| 2017 | 378 |
| 2018 | 388 |
| 2019 | 392 |
| 2020 | 427 |
| 2021 | 430 |
| 2022 | 385 |
| 2023 | 338 |