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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1823 | 1 |
| 1830 | 1 |
| 1839 | 1 |
| 1841 | 1 |
| 1871 | 1 |
| 1872 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 3 |
| 1883 | 2 |
| 1884 | 1 |
| 1885 | 1 |
| 1886 | 3 |
| 1887 | 1 |
| 1890 | 2 |
| 1891 | 2 |
| 1896 | 2 |
| 1897 | 2 |
| 1899 | 3 |
| 1901 | 1 |
| 1903 | 2 |
| 1908 | 2 |
| 1909 | 2 |
| 1910 | 4 |
| 1911 | 1 |
| 1912 | 4 |
| 1913 | 2 |
| 1915 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1920 | 3 |
| 1921 | 1 |
| 1922 | 2 |
| 1923 | 1 |
| 1924 | 3 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 2 |
| 1929 | 1 |
| 1930 | 1 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 3 |
| 1934 | 2 |
| 1935 | 3 |
| 1936 | 3 |
| 1937 | 2 |
| 1938 | 5 |
| 1939 | 2 |
| 1940 | 2 |
| 1942 | 3 |
| 1944 | 1 |
| 1945 | 4 |
| 1946 | 19 |
| 1947 | 22 |
| 1948 | 26 |
| 1949 | 24 |
| 1950 | 37 |
| 1951 | 31 |
| 1952 | 34 |
| 1953 | 39 |
| 1954 | 52 |
| 1955 | 52 |
| 1956 | 42 |
| 1957 | 33 |
| 1958 | 47 |
| 1959 | 40 |
| 1960 | 33 |
| 1961 | 57 |
| 1962 | 45 |
| 1963 | 49 |
| 1964 | 56 |
| 1965 | 71 |
| 1966 | 85 |
| 1967 | 101 |
| 1968 | 102 |
| 1969 | 109 |
| 1970 | 143 |
| 1971 | 156 |
| 1972 | 184 |
| 1973 | 212 |
| 1974 | 199 |
| 1975 | 714 |
| 1976 | 724 |
| 1977 | 740 |
| 1978 | 748 |
| 1979 | 878 |
| 1980 | 1018 |
| 1981 | 1171 |
| 1982 | 1228 |
| 1983 | 1445 |
| 1984 | 1666 |
| 1985 | 1714 |
| 1986 | 1786 |
| 1987 | 1934 |
| 1988 | 2142 |
| 1989 | 2263 |
| 1990 | 2309 |
| 1991 | 2439 |
| 1992 | 2518 |
| 1993 | 2587 |
| 1994 | 2744 |
| 1995 | 2890 |
| 1996 | 2889 |
| 1997 | 2922 |
| 1998 | 3063 |
| 1999 | 3102 |
| 2000 | 3154 |
| 2001 | 3220 |
| 2002 | 3237 |
| 2003 | 3422 |
| 2004 | 3469 |
| 2005 | 3831 |
| 2006 | 4087 |
| 2007 | 4339 |
| 2008 | 4518 |
| 2009 | 4573 |
| 2010 | 4720 |
| 2011 | 5037 |
| 2012 | 5489 |
| 2013 | 5892 |
| 2014 | 6077 |
| 2015 | 6050 |
| 2016 | 6040 |
| 2017 | 6135 |
| 2018 | 6245 |
| 2019 | 6190 |
| 2020 | 6811 |
| 2021 | 7016 |
| 2022 | 6533 |
| 2023 | 6309 |
| 2024 | 6402 |
| 2025 | 3263 |