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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1863 | 1 |
| 1866 | 1 |
| 1869 | 1 |
| 1872 | 1 |
| 1874 | 3 |
| 1877 | 1 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 1 |
| 1884 | 1 |
| 1886 | 1 |
| 1887 | 1 |
| 1890 | 2 |
| 1892 | 2 |
| 1894 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1902 | 1 |
| 1904 | 1 |
| 1907 | 1 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 2 |
| 1911 | 2 |
| 1912 | 1 |
| 1913 | 8 |
| 1914 | 4 |
| 1915 | 7 |
| 1916 | 4 |
| 1917 | 5 |
| 1918 | 5 |
| 1919 | 2 |
| 1920 | 3 |
| 1921 | 1 |
| 1922 | 3 |
| 1923 | 2 |
| 1924 | 2 |
| 1925 | 3 |
| 1926 | 3 |
| 1927 | 1 |
| 1928 | 3 |
| 1929 | 1 |
| 1930 | 4 |
| 1931 | 1 |
| 1932 | 2 |
| 1933 | 4 |
| 1934 | 4 |
| 1935 | 2 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 3 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 3 |
| 1947 | 26 |
| 1948 | 27 |
| 1949 | 30 |
| 1950 | 62 |
| 1951 | 60 |
| 1952 | 78 |
| 1953 | 79 |
| 1954 | 76 |
| 1955 | 67 |
| 1956 | 87 |
| 1957 | 89 |
| 1958 | 86 |
| 1959 | 46 |
| 1960 | 8 |
| 1961 | 13 |
| 1962 | 15 |
| 1963 | 60 |
| 1964 | 74 |
| 1965 | 104 |
| 1966 | 105 |
| 1967 | 99 |
| 1968 | 123 |
| 1969 | 102 |
| 1970 | 103 |
| 1971 | 104 |
| 1972 | 84 |
| 1973 | 96 |
| 1974 | 110 |
| 1975 | 303 |
| 1976 | 345 |
| 1977 | 327 |
| 1978 | 339 |
| 1979 | 368 |
| 1980 | 419 |
| 1981 | 384 |
| 1982 | 405 |
| 1983 | 441 |
| 1984 | 533 |
| 1985 | 518 |
| 1986 | 567 |
| 1987 | 577 |
| 1988 | 687 |
| 1989 | 801 |
| 1990 | 856 |
| 1991 | 871 |
| 1992 | 888 |
| 1993 | 984 |
| 1994 | 995 |
| 1995 | 1109 |
| 1996 | 1073 |
| 1997 | 1092 |
| 1998 | 1261 |
| 1999 | 1287 |
| 2000 | 1516 |
| 2001 | 1521 |
| 2002 | 1644 |
| 2003 | 1728 |
| 2004 | 1776 |
| 2005 | 2108 |
| 2006 | 2215 |
| 2007 | 2258 |
| 2008 | 2326 |
| 2009 | 2506 |
| 2010 | 2774 |
| 2011 | 2898 |
| 2012 | 3169 |
| 2013 | 3282 |
| 2014 | 3511 |
| 2015 | 3581 |
| 2016 | 3767 |
| 2017 | 3888 |
| 2018 | 3847 |
| 2019 | 4205 |
| 2020 | 5249 |
| 2021 | 5662 |
| 2022 | 5479 |
| 2023 | 5139 |
| 2024 | 1758 |