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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1835 | 1 |
| 1842 | 1 |
| 1845 | 1 |
| 1875 | 1 |
| 1877 | 1 |
| 1882 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1886 | 1 |
| 1890 | 2 |
| 1894 | 2 |
| 1899 | 1 |
| 1902 | 2 |
| 1903 | 3 |
| 1904 | 5 |
| 1905 | 3 |
| 1906 | 7 |
| 1907 | 6 |
| 1908 | 3 |
| 1909 | 7 |
| 1910 | 19 |
| 1911 | 6 |
| 1912 | 8 |
| 1913 | 8 |
| 1914 | 13 |
| 1915 | 8 |
| 1916 | 8 |
| 1917 | 6 |
| 1918 | 2 |
| 1919 | 4 |
| 1920 | 24 |
| 1921 | 15 |
| 1922 | 9 |
| 1923 | 10 |
| 1924 | 6 |
| 1925 | 14 |
| 1926 | 25 |
| 1927 | 10 |
| 1928 | 18 |
| 1929 | 9 |
| 1930 | 18 |
| 1931 | 10 |
| 1932 | 8 |
| 1933 | 5 |
| 1934 | 4 |
| 1935 | 8 |
| 1936 | 6 |
| 1937 | 6 |
| 1938 | 6 |
| 1939 | 6 |
| 1940 | 5 |
| 1941 | 9 |
| 1942 | 7 |
| 1943 | 4 |
| 1944 | 4 |
| 1945 | 30 |
| 1946 | 90 |
| 1947 | 134 |
| 1948 | 132 |
| 1949 | 136 |
| 1950 | 153 |
| 1951 | 198 |
| 1952 | 213 |
| 1953 | 220 |
| 1954 | 183 |
| 1955 | 194 |
| 1956 | 187 |
| 1957 | 202 |
| 1958 | 197 |
| 1959 | 173 |
| 1960 | 174 |
| 1961 | 186 |
| 1962 | 235 |
| 1963 | 380 |
| 1964 | 649 |
| 1965 | 393 |
| 1966 | 426 |
| 1967 | 495 |
| 1968 | 590 |
| 1969 | 550 |
| 1970 | 609 |
| 1971 | 670 |
| 1972 | 745 |
| 1973 | 722 |
| 1974 | 744 |
| 1975 | 745 |
| 1976 | 810 |
| 1977 | 776 |
| 1978 | 804 |
| 1979 | 780 |
| 1980 | 704 |
| 1981 | 681 |
| 1982 | 811 |
| 1983 | 816 |
| 1984 | 929 |
| 1985 | 988 |
| 1986 | 972 |
| 1987 | 975 |
| 1988 | 934 |
| 1989 | 1075 |
| 1990 | 1035 |
| 1991 | 979 |
| 1992 | 780 |
| 1993 | 794 |
| 1994 | 790 |
| 1995 | 849 |
| 1996 | 818 |
| 1997 | 772 |
| 1998 | 809 |
| 1999 | 735 |
| 2000 | 657 |
| 2001 | 649 |
| 2002 | 576 |
| 2003 | 535 |
| 2004 | 514 |
| 2005 | 501 |
| 2006 | 489 |
| 2007 | 499 |
| 2008 | 464 |
| 2009 | 498 |
| 2010 | 463 |
| 2011 | 474 |
| 2012 | 460 |
| 2013 | 447 |
| 2014 | 458 |
| 2015 | 432 |
| 2016 | 427 |
| 2017 | 368 |
| 2018 | 379 |
| 2019 | 353 |
| 2020 | 409 |
| 2021 | 427 |
| 2022 | 430 |
| 2023 | 437 |
| 2024 | 142 |