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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1828 | 1 |
| 1854 | 1 |
| 1874 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1881 | 1 |
| 1885 | 2 |
| 1890 | 1 |
| 1891 | 1 |
| 1892 | 1 |
| 1893 | 1 |
| 1894 | 3 |
| 1895 | 3 |
| 1896 | 3 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 2 |
| 1900 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 4 |
| 1905 | 1 |
| 1906 | 1 |
| 1907 | 8 |
| 1908 | 11 |
| 1909 | 7 |
| 1910 | 5 |
| 1911 | 6 |
| 1912 | 12 |
| 1913 | 19 |
| 1914 | 11 |
| 1915 | 6 |
| 1916 | 7 |
| 1917 | 10 |
| 1918 | 4 |
| 1919 | 8 |
| 1920 | 13 |
| 1921 | 19 |
| 1922 | 5 |
| 1923 | 11 |
| 1924 | 11 |
| 1925 | 11 |
| 1926 | 5 |
| 1927 | 14 |
| 1928 | 20 |
| 1929 | 13 |
| 1930 | 13 |
| 1931 | 7 |
| 1932 | 15 |
| 1933 | 14 |
| 1934 | 18 |
| 1935 | 8 |
| 1936 | 19 |
| 1937 | 15 |
| 1938 | 20 |
| 1939 | 12 |
| 1940 | 8 |
| 1941 | 7 |
| 1942 | 6 |
| 1943 | 7 |
| 1944 | 17 |
| 1945 | 74 |
| 1946 | 162 |
| 1947 | 176 |
| 1948 | 192 |
| 1949 | 203 |
| 1950 | 272 |
| 1951 | 289 |
| 1952 | 312 |
| 1953 | 344 |
| 1954 | 351 |
| 1955 | 330 |
| 1956 | 374 |
| 1957 | 371 |
| 1958 | 332 |
| 1959 | 344 |
| 1960 | 358 |
| 1961 | 357 |
| 1962 | 332 |
| 1963 | 450 |
| 1964 | 507 |
| 1965 | 542 |
| 1966 | 462 |
| 1967 | 537 |
| 1968 | 522 |
| 1969 | 546 |
| 1970 | 570 |
| 1971 | 629 |
| 1972 | 599 |
| 1973 | 563 |
| 1974 | 589 |
| 1975 | 1549 |
| 1976 | 1653 |
| 1977 | 1664 |
| 1978 | 1625 |
| 1979 | 1761 |
| 1980 | 1939 |
| 1981 | 1976 |
| 1982 | 2084 |
| 1983 | 2372 |
| 1984 | 2661 |
| 1985 | 2731 |
| 1986 | 2787 |
| 1987 | 2999 |
| 1988 | 3150 |
| 1989 | 3738 |
| 1990 | 3852 |
| 1991 | 3868 |
| 1992 | 4046 |
| 1993 | 4119 |
| 1994 | 4140 |
| 1995 | 4247 |
| 1996 | 4588 |
| 1997 | 4700 |
| 1998 | 4940 |
| 1999 | 5151 |
| 2000 | 5356 |
| 2001 | 5444 |
| 2002 | 5681 |
| 2003 | 5987 |
| 2004 | 6408 |
| 2005 | 7165 |
| 2006 | 7778 |
| 2007 | 8241 |
| 2008 | 9024 |
| 2009 | 9408 |
| 2010 | 9878 |
| 2011 | 10930 |
| 2012 | 11717 |
| 2013 | 12618 |
| 2014 | 13027 |
| 2015 | 13475 |
| 2016 | 13316 |
| 2017 | 13551 |
| 2018 | 13945 |
| 2019 | 14621 |
| 2020 | 17545 |
| 2021 | 19050 |
| 2022 | 18507 |
| 2023 | 17586 |
| 2024 | 17761 |
| 2025 | 20239 |
| 2026 | 15151 |
| 2027 | 1 |