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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1853 | 1 |
| 1854 | 1 |
| 1855 | 1 |
| 1856 | 1 |
| 1868 | 1 |
| 1869 | 3 |
| 1870 | 3 |
| 1871 | 2 |
| 1874 | 1 |
| 1876 | 1 |
| 1879 | 1 |
| 1887 | 1 |
| 1889 | 1 |
| 1893 | 2 |
| 1901 | 1 |
| 1907 | 1 |
| 1909 | 1 |
| 1910 | 4 |
| 1911 | 8 |
| 1912 | 2 |
| 1914 | 1 |
| 1917 | 1 |
| 1926 | 1 |
| 1929 | 1 |
| 1932 | 4 |
| 1933 | 3 |
| 1935 | 1 |
| 1937 | 4 |
| 1946 | 9 |
| 1947 | 5 |
| 1948 | 12 |
| 1949 | 5 |
| 1950 | 11 |
| 1951 | 11 |
| 1952 | 12 |
| 1953 | 2 |
| 1954 | 5 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 11 |
| 1958 | 8 |
| 1959 | 9 |
| 1960 | 5 |
| 1961 | 18 |
| 1962 | 13 |
| 1963 | 16 |
| 1964 | 17 |
| 1965 | 24 |
| 1966 | 16 |
| 1967 | 25 |
| 1968 | 22 |
| 1969 | 18 |
| 1970 | 27 |
| 1971 | 29 |
| 1972 | 26 |
| 1973 | 29 |
| 1974 | 29 |
| 1975 | 38 |
| 1976 | 45 |
| 1977 | 59 |
| 1978 | 45 |
| 1979 | 44 |
| 1980 | 49 |
| 1981 | 42 |
| 1982 | 42 |
| 1983 | 50 |
| 1984 | 51 |
| 1985 | 63 |
| 1986 | 80 |
| 1987 | 60 |
| 1988 | 58 |
| 1989 | 61 |
| 1990 | 59 |
| 1991 | 69 |
| 1992 | 90 |
| 1993 | 65 |
| 1994 | 82 |
| 1995 | 90 |
| 1996 | 84 |
| 1997 | 68 |
| 1998 | 75 |
| 1999 | 90 |
| 2000 | 88 |
| 2001 | 97 |
| 2002 | 84 |
| 2003 | 98 |
| 2004 | 109 |
| 2005 | 144 |
| 2006 | 126 |
| 2007 | 125 |
| 2008 | 159 |
| 2009 | 150 |
| 2010 | 165 |
| 2011 | 156 |
| 2012 | 191 |
| 2013 | 218 |
| 2014 | 224 |
| 2015 | 235 |
| 2016 | 226 |
| 2017 | 287 |
| 2018 | 274 |
| 2019 | 300 |
| 2020 | 347 |
| 2021 | 340 |
| 2022 | 296 |
| 2023 | 318 |
| 2024 | 290 |