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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1852 | 2 |
| 1855 | 1 |
| 1859 | 1 |
| 1869 | 1 |
| 1871 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1879 | 1 |
| 1880 | 2 |
| 1881 | 1 |
| 1891 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1906 | 1 |
| 1912 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1928 | 1 |
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 2 |
| 1933 | 1 |
| 1934 | 1 |
| 1935 | 5 |
| 1936 | 1 |
| 1945 | 3 |
| 1946 | 3 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 9 |
| 1950 | 20 |
| 1951 | 23 |
| 1952 | 22 |
| 1953 | 11 |
| 1954 | 20 |
| 1955 | 17 |
| 1956 | 14 |
| 1957 | 17 |
| 1958 | 13 |
| 1959 | 9 |
| 1960 | 21 |
| 1961 | 12 |
| 1962 | 21 |
| 1963 | 21 |
| 1964 | 11 |
| 1965 | 18 |
| 1966 | 10 |
| 1967 | 16 |
| 1968 | 9 |
| 1969 | 15 |
| 1970 | 19 |
| 1971 | 33 |
| 1972 | 23 |
| 1973 | 33 |
| 1974 | 21 |
| 1975 | 13 |
| 1976 | 18 |
| 1977 | 16 |
| 1978 | 21 |
| 1979 | 19 |
| 1980 | 23 |
| 1981 | 21 |
| 1982 | 13 |
| 1983 | 12 |
| 1984 | 15 |
| 1985 | 21 |
| 1986 | 26 |
| 1987 | 25 |
| 1988 | 17 |
| 1989 | 48 |
| 1990 | 49 |
| 1991 | 33 |
| 1992 | 46 |
| 1993 | 40 |
| 1994 | 36 |
| 1995 | 50 |
| 1996 | 57 |
| 1997 | 60 |
| 1998 | 55 |
| 1999 | 64 |
| 2000 | 68 |
| 2001 | 73 |
| 2002 | 88 |
| 2003 | 113 |
| 2004 | 129 |
| 2005 | 129 |
| 2006 | 168 |
| 2007 | 175 |
| 2008 | 179 |
| 2009 | 230 |
| 2010 | 268 |
| 2011 | 275 |
| 2012 | 294 |
| 2013 | 393 |
| 2014 | 436 |
| 2015 | 460 |
| 2016 | 462 |
| 2017 | 473 |
| 2018 | 543 |
| 2019 | 573 |
| 2020 | 701 |
| 2021 | 779 |
| 2022 | 771 |
| 2023 | 714 |
| 2024 | 316 |