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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 2 |
| 1857 | 1 |
| 1862 | 1 |
| 1865 | 3 |
| 1866 | 2 |
| 1867 | 2 |
| 1871 | 3 |
| 1872 | 3 |
| 1873 | 1 |
| 1874 | 1 |
| 1886 | 1 |
| 1900 | 1 |
| 1903 | 1 |
| 1909 | 1 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 2 |
| 1919 | 1 |
| 1921 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1929 | 1 |
| 1931 | 1 |
| 1934 | 1 |
| 1935 | 1 |
| 1938 | 1 |
| 1941 | 1 |
| 1945 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1949 | 1 |
| 1950 | 1 |
| 1951 | 2 |
| 1952 | 2 |
| 1953 | 5 |
| 1954 | 4 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 2 |
| 1959 | 3 |
| 1961 | 1 |
| 1962 | 4 |
| 1963 | 2 |
| 1964 | 10 |
| 1965 | 4 |
| 1966 | 6 |
| 1967 | 4 |
| 1968 | 5 |
| 1969 | 15 |
| 1970 | 12 |
| 1971 | 12 |
| 1972 | 9 |
| 1973 | 14 |
| 1974 | 18 |
| 1975 | 18 |
| 1976 | 11 |
| 1977 | 10 |
| 1978 | 17 |
| 1979 | 22 |
| 1980 | 12 |
| 1981 | 15 |
| 1982 | 20 |
| 1983 | 23 |
| 1984 | 19 |
| 1985 | 23 |
| 1986 | 21 |
| 1987 | 21 |
| 1988 | 24 |
| 1989 | 44 |
| 1990 | 26 |
| 1991 | 43 |
| 1992 | 36 |
| 1993 | 34 |
| 1994 | 38 |
| 1995 | 44 |
| 1996 | 49 |
| 1997 | 50 |
| 1998 | 36 |
| 1999 | 39 |
| 2000 | 63 |
| 2001 | 49 |
| 2002 | 51 |
| 2003 | 74 |
| 2004 | 85 |
| 2005 | 92 |
| 2006 | 104 |
| 2007 | 88 |
| 2008 | 100 |
| 2009 | 101 |
| 2010 | 119 |
| 2011 | 138 |
| 2012 | 165 |
| 2013 | 187 |
| 2014 | 165 |
| 2015 | 183 |
| 2016 | 164 |
| 2017 | 147 |
| 2018 | 161 |
| 2019 | 181 |
| 2020 | 183 |
| 2021 | 205 |
| 2022 | 229 |
| 2023 | 208 |