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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1800 | 1 |
| 1801 | 3 |
| 1802 | 3 |
| 1803 | 3 |
| 1804 | 2 |
| 1805 | 1 |
| 1806 | 1 |
| 1807 | 1 |
| 1839 | 1 |
| 1844 | 1 |
| 1848 | 2 |
| 1850 | 1 |
| 1852 | 2 |
| 1853 | 2 |
| 1854 | 1 |
| 1856 | 2 |
| 1857 | 1 |
| 1859 | 1 |
| 1869 | 2 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1874 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 4 |
| 1879 | 2 |
| 1881 | 1 |
| 1882 | 2 |
| 1883 | 2 |
| 1884 | 2 |
| 1885 | 1 |
| 1888 | 2 |
| 1890 | 2 |
| 1891 | 3 |
| 1892 | 4 |
| 1893 | 3 |
| 1894 | 3 |
| 1895 | 2 |
| 1896 | 3 |
| 1897 | 6 |
| 1898 | 4 |
| 1899 | 3 |
| 1901 | 1 |
| 1903 | 1 |
| 1904 | 3 |
| 1905 | 1 |
| 1906 | 1 |
| 1908 | 3 |
| 1909 | 6 |
| 1910 | 3 |
| 1911 | 4 |
| 1912 | 3 |
| 1913 | 6 |
| 1914 | 5 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 4 |
| 1918 | 7 |
| 1919 | 5 |
| 1920 | 6 |
| 1921 | 5 |
| 1922 | 6 |
| 1923 | 4 |
| 1924 | 3 |
| 1925 | 6 |
| 1926 | 2 |
| 1927 | 7 |
| 1928 | 10 |
| 1929 | 7 |
| 1930 | 11 |
| 1931 | 6 |
| 1932 | 6 |
| 1933 | 7 |
| 1934 | 5 |
| 1935 | 8 |
| 1936 | 4 |
| 1937 | 6 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 4 |
| 1941 | 2 |
| 1942 | 6 |
| 1944 | 2 |
| 1945 | 11 |
| 1946 | 33 |
| 1947 | 32 |
| 1948 | 30 |
| 1949 | 32 |
| 1950 | 38 |
| 1951 | 44 |
| 1952 | 40 |
| 1953 | 43 |
| 1954 | 36 |
| 1955 | 37 |
| 1956 | 46 |
| 1957 | 46 |
| 1958 | 44 |
| 1959 | 60 |
| 1960 | 38 |
| 1961 | 36 |
| 1962 | 49 |
| 1963 | 52 |
| 1964 | 85 |
| 1965 | 82 |
| 1966 | 83 |
| 1967 | 114 |
| 1968 | 107 |
| 1969 | 99 |
| 1970 | 108 |
| 1971 | 119 |
| 1972 | 114 |
| 1973 | 119 |
| 1974 | 146 |
| 1975 | 132 |
| 1976 | 160 |
| 1977 | 143 |
| 1978 | 167 |
| 1979 | 148 |
| 1980 | 180 |
| 1981 | 193 |
| 1982 | 201 |
| 1983 | 221 |
| 1984 | 243 |
| 1985 | 253 |
| 1986 | 294 |
| 1987 | 301 |
| 1988 | 318 |
| 1989 | 349 |
| 1990 | 372 |
| 1991 | 372 |
| 1992 | 406 |
| 1993 | 384 |
| 1994 | 363 |
| 1995 | 431 |
| 1996 | 389 |
| 1997 | 484 |
| 1998 | 450 |
| 1999 | 472 |
| 2000 | 490 |
| 2001 | 547 |
| 2002 | 512 |
| 2003 | 480 |
| 2004 | 559 |
| 2005 | 601 |
| 2006 | 639 |
| 2007 | 667 |
| 2008 | 806 |
| 2009 | 832 |
| 2010 | 901 |
| 2011 | 954 |
| 2012 | 995 |
| 2013 | 1053 |
| 2014 | 951 |
| 2015 | 1087 |
| 2016 | 1079 |
| 2017 | 1136 |
| 2018 | 1182 |
| 2019 | 1248 |
| 2020 | 1319 |
| 2021 | 1536 |
| 2022 | 1411 |
| 2023 | 1341 |
| 2024 | 1366 |
| 2025 | 1198 |