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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1868 | 1 |
| 1873 | 3 |
| 1874 | 2 |
| 1875 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1879 | 1 |
| 1888 | 7 |
| 1890 | 1 |
| 1892 | 1 |
| 1894 | 1 |
| 1896 | 4 |
| 1897 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1902 | 2 |
| 1903 | 1 |
| 1905 | 2 |
| 1908 | 1 |
| 1910 | 1 |
| 1913 | 1 |
| 1915 | 1 |
| 1916 | 1 |
| 1918 | 3 |
| 1919 | 4 |
| 1920 | 3 |
| 1921 | 1 |
| 1922 | 3 |
| 1923 | 4 |
| 1924 | 5 |
| 1925 | 6 |
| 1926 | 1 |
| 1927 | 3 |
| 1928 | 3 |
| 1929 | 4 |
| 1930 | 2 |
| 1931 | 4 |
| 1932 | 6 |
| 1933 | 2 |
| 1934 | 3 |
| 1935 | 2 |
| 1936 | 4 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 6 |
| 1943 | 1 |
| 1944 | 3 |
| 1945 | 15 |
| 1946 | 15 |
| 1947 | 8 |
| 1948 | 2 |
| 1949 | 7 |
| 1950 | 9 |
| 1951 | 11 |
| 1952 | 7 |
| 1953 | 12 |
| 1954 | 7 |
| 1955 | 8 |
| 1956 | 10 |
| 1957 | 11 |
| 1958 | 23 |
| 1959 | 17 |
| 1960 | 15 |
| 1961 | 12 |
| 1962 | 17 |
| 1963 | 28 |
| 1964 | 32 |
| 1965 | 30 |
| 1966 | 25 |
| 1967 | 29 |
| 1968 | 27 |
| 1969 | 28 |
| 1970 | 34 |
| 1971 | 39 |
| 1972 | 26 |
| 1973 | 30 |
| 1974 | 46 |
| 1975 | 30 |
| 1976 | 33 |
| 1977 | 38 |
| 1978 | 36 |
| 1979 | 34 |
| 1980 | 30 |
| 1981 | 36 |
| 1982 | 41 |
| 1983 | 40 |
| 1984 | 45 |
| 1985 | 64 |
| 1986 | 73 |
| 1987 | 69 |
| 1988 | 79 |
| 1989 | 82 |
| 1990 | 82 |
| 1991 | 113 |
| 1992 | 114 |
| 1993 | 110 |
| 1994 | 111 |
| 1995 | 130 |
| 1996 | 183 |
| 1997 | 88 |
| 1998 | 93 |
| 1999 | 116 |
| 2000 | 186 |
| 2001 | 266 |
| 2002 | 293 |
| 2003 | 261 |
| 2004 | 302 |
| 2005 | 403 |
| 2006 | 387 |
| 2007 | 441 |
| 2008 | 504 |
| 2009 | 516 |
| 2010 | 465 |
| 2011 | 604 |
| 2012 | 646 |
| 2013 | 662 |
| 2014 | 733 |
| 2015 | 752 |
| 2016 | 780 |
| 2017 | 780 |
| 2018 | 827 |
| 2019 | 923 |
| 2020 | 1067 |
| 2021 | 1110 |
| 2022 | 1103 |
| 2023 | 1075 |
| 2024 | 1166 |
| 2025 | 448 |