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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1822 | 1 |
| 1844 | 1 |
| 1866 | 2 |
| 1867 | 1 |
| 1875 | 1 |
| 1879 | 2 |
| 1885 | 1 |
| 1893 | 1 |
| 1914 | 1 |
| 1918 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 2 |
| 1932 | 1 |
| 1933 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 1 |
| 1942 | 2 |
| 1943 | 3 |
| 1944 | 2 |
| 1945 | 6 |
| 1946 | 9 |
| 1947 | 4 |
| 1948 | 9 |
| 1950 | 3 |
| 1951 | 5 |
| 1952 | 4 |
| 1953 | 2 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 2 |
| 1957 | 15 |
| 1958 | 11 |
| 1959 | 8 |
| 1960 | 7 |
| 1961 | 6 |
| 1962 | 9 |
| 1963 | 13 |
| 1964 | 11 |
| 1965 | 11 |
| 1966 | 11 |
| 1967 | 16 |
| 1968 | 23 |
| 1969 | 36 |
| 1970 | 40 |
| 1971 | 39 |
| 1972 | 34 |
| 1973 | 39 |
| 1974 | 30 |
| 1975 | 35 |
| 1976 | 37 |
| 1977 | 36 |
| 1978 | 37 |
| 1979 | 36 |
| 1980 | 33 |
| 1981 | 43 |
| 1982 | 35 |
| 1983 | 46 |
| 1984 | 54 |
| 1985 | 59 |
| 1986 | 57 |
| 1987 | 75 |
| 1988 | 79 |
| 1989 | 66 |
| 1990 | 72 |
| 1991 | 64 |
| 1992 | 59 |
| 1993 | 57 |
| 1994 | 79 |
| 1995 | 52 |
| 1996 | 66 |
| 1997 | 63 |
| 1998 | 84 |
| 1999 | 68 |
| 2000 | 93 |
| 2001 | 97 |
| 2002 | 78 |
| 2003 | 86 |
| 2004 | 107 |
| 2005 | 132 |
| 2006 | 136 |
| 2007 | 128 |
| 2008 | 155 |
| 2009 | 165 |
| 2010 | 177 |
| 2011 | 177 |
| 2012 | 223 |
| 2013 | 203 |
| 2014 | 235 |
| 2015 | 239 |
| 2016 | 238 |
| 2017 | 264 |
| 2018 | 271 |
| 2019 | 333 |
| 2020 | 322 |
| 2021 | 356 |
| 2022 | 350 |
| 2023 | 366 |
| 2024 | 325 |
| 2025 | 308 |