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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1873 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1898 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1918 | 3 |
| 1919 | 1 |
| 1921 | 2 |
| 1925 | 2 |
| 1927 | 1 |
| 1929 | 1 |
| 1935 | 1 |
| 1946 | 16 |
| 1947 | 7 |
| 1948 | 10 |
| 1949 | 9 |
| 1950 | 9 |
| 1951 | 13 |
| 1952 | 11 |
| 1953 | 12 |
| 1954 | 8 |
| 1955 | 4 |
| 1956 | 9 |
| 1957 | 9 |
| 1958 | 11 |
| 1959 | 6 |
| 1960 | 7 |
| 1961 | 7 |
| 1962 | 6 |
| 1963 | 11 |
| 1964 | 6 |
| 1965 | 11 |
| 1966 | 11 |
| 1967 | 13 |
| 1968 | 14 |
| 1969 | 8 |
| 1970 | 17 |
| 1971 | 13 |
| 1972 | 14 |
| 1973 | 20 |
| 1974 | 15 |
| 1975 | 15 |
| 1976 | 19 |
| 1977 | 20 |
| 1978 | 12 |
| 1979 | 22 |
| 1980 | 18 |
| 1981 | 31 |
| 1982 | 29 |
| 1983 | 42 |
| 1984 | 52 |
| 1985 | 48 |
| 1986 | 64 |
| 1987 | 55 |
| 1988 | 58 |
| 1989 | 80 |
| 1990 | 71 |
| 1991 | 65 |
| 1992 | 67 |
| 1993 | 93 |
| 1994 | 99 |
| 1995 | 113 |
| 1996 | 123 |
| 1997 | 100 |
| 1998 | 102 |
| 1999 | 114 |
| 2000 | 128 |
| 2001 | 154 |
| 2002 | 134 |
| 2003 | 153 |
| 2004 | 157 |
| 2005 | 177 |
| 2006 | 190 |
| 2007 | 186 |
| 2008 | 219 |
| 2009 | 222 |
| 2010 | 239 |
| 2011 | 260 |
| 2012 | 276 |
| 2013 | 300 |
| 2014 | 339 |
| 2015 | 371 |
| 2016 | 360 |
| 2017 | 372 |
| 2018 | 319 |
| 2019 | 313 |
| 2020 | 325 |
| 2021 | 381 |
| 2022 | 308 |
| 2023 | 265 |
| 2024 | 3 |