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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1857 | 1 |
| 1861 | 1 |
| 1865 | 1 |
| 1868 | 1 |
| 1899 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1916 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1932 | 1 |
| 1935 | 1 |
| 1936 | 3 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 3 |
| 1944 | 2 |
| 1946 | 5 |
| 1947 | 4 |
| 1948 | 11 |
| 1949 | 5 |
| 1950 | 8 |
| 1951 | 18 |
| 1952 | 9 |
| 1953 | 14 |
| 1954 | 16 |
| 1955 | 13 |
| 1956 | 7 |
| 1957 | 15 |
| 1958 | 15 |
| 1959 | 16 |
| 1960 | 15 |
| 1961 | 19 |
| 1962 | 17 |
| 1963 | 12 |
| 1964 | 20 |
| 1965 | 22 |
| 1966 | 24 |
| 1967 | 34 |
| 1968 | 29 |
| 1969 | 32 |
| 1970 | 44 |
| 1971 | 40 |
| 1972 | 47 |
| 1973 | 45 |
| 1974 | 35 |
| 1975 | 50 |
| 1976 | 32 |
| 1977 | 53 |
| 1978 | 57 |
| 1979 | 71 |
| 1980 | 60 |
| 1981 | 55 |
| 1982 | 61 |
| 1983 | 82 |
| 1984 | 68 |
| 1985 | 87 |
| 1986 | 80 |
| 1987 | 112 |
| 1988 | 146 |
| 1989 | 124 |
| 1990 | 154 |
| 1991 | 127 |
| 1992 | 145 |
| 1993 | 147 |
| 1994 | 128 |
| 1995 | 150 |
| 1996 | 144 |
| 1997 | 172 |
| 1998 | 158 |
| 1999 | 139 |
| 2000 | 196 |
| 2001 | 177 |
| 2002 | 162 |
| 2003 | 153 |
| 2004 | 171 |
| 2005 | 197 |
| 2006 | 212 |
| 2007 | 233 |
| 2008 | 266 |
| 2009 | 254 |
| 2010 | 220 |
| 2011 | 270 |
| 2012 | 305 |
| 2013 | 283 |
| 2014 | 270 |
| 2015 | 290 |
| 2016 | 301 |
| 2017 | 311 |
| 2018 | 360 |
| 2019 | 320 |
| 2020 | 386 |
| 2021 | 424 |
| 2022 | 348 |
| 2023 | 305 |
| 2024 | 268 |
| 2025 | 207 |