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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1858 | 1 |
| 1861 | 1 |
| 1862 | 1 |
| 1863 | 3 |
| 1866 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1877 | 1 |
| 1887 | 1 |
| 1896 | 2 |
| 1897 | 1 |
| 1913 | 2 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1921 | 1 |
| 1923 | 2 |
| 1924 | 1 |
| 1926 | 2 |
| 1927 | 2 |
| 1928 | 2 |
| 1933 | 1 |
| 1935 | 3 |
| 1936 | 1 |
| 1938 | 1 |
| 1939 | 4 |
| 1942 | 1 |
| 1945 | 1 |
| 1946 | 3 |
| 1947 | 10 |
| 1948 | 6 |
| 1949 | 4 |
| 1950 | 2 |
| 1951 | 10 |
| 1952 | 13 |
| 1953 | 7 |
| 1954 | 7 |
| 1955 | 10 |
| 1956 | 8 |
| 1957 | 6 |
| 1958 | 7 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 2 |
| 1962 | 9 |
| 1963 | 6 |
| 1964 | 10 |
| 1965 | 11 |
| 1966 | 14 |
| 1967 | 17 |
| 1968 | 21 |
| 1969 | 18 |
| 1970 | 24 |
| 1971 | 20 |
| 1972 | 17 |
| 1973 | 18 |
| 1974 | 18 |
| 1975 | 26 |
| 1976 | 43 |
| 1977 | 43 |
| 1978 | 32 |
| 1979 | 40 |
| 1980 | 33 |
| 1981 | 38 |
| 1982 | 40 |
| 1983 | 47 |
| 1984 | 39 |
| 1985 | 40 |
| 1986 | 33 |
| 1987 | 55 |
| 1988 | 28 |
| 1989 | 46 |
| 1990 | 45 |
| 1991 | 52 |
| 1992 | 56 |
| 1993 | 59 |
| 1994 | 59 |
| 1995 | 63 |
| 1996 | 61 |
| 1997 | 59 |
| 1998 | 71 |
| 1999 | 56 |
| 2000 | 48 |
| 2001 | 60 |
| 2002 | 64 |
| 2003 | 77 |
| 2004 | 74 |
| 2005 | 72 |
| 2006 | 79 |
| 2007 | 92 |
| 2008 | 98 |
| 2009 | 100 |
| 2010 | 97 |
| 2011 | 106 |
| 2012 | 95 |
| 2013 | 104 |
| 2014 | 122 |
| 2015 | 164 |
| 2016 | 153 |
| 2017 | 152 |
| 2018 | 149 |
| 2019 | 155 |
| 2020 | 203 |
| 2021 | 210 |
| 2022 | 200 |
| 2023 | 180 |
| 2024 | 183 |
| 2025 | 5 |