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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1799 | 1 |
| 1800 | 1 |
| 1830 | 1 |
| 1831 | 1 |
| 1835 | 1 |
| 1839 | 1 |
| 1841 | 1 |
| 1842 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1846 | 1 |
| 1849 | 1 |
| 1850 | 2 |
| 1851 | 2 |
| 1853 | 2 |
| 1855 | 1 |
| 1856 | 3 |
| 1860 | 1 |
| 1862 | 1 |
| 1863 | 1 |
| 1865 | 1 |
| 1867 | 1 |
| 1870 | 2 |
| 1871 | 1 |
| 1872 | 1 |
| 1873 | 1 |
| 1874 | 9 |
| 1875 | 2 |
| 1876 | 3 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1881 | 2 |
| 1882 | 1 |
| 1883 | 2 |
| 1885 | 8 |
| 1886 | 9 |
| 1887 | 13 |
| 1888 | 11 |
| 1889 | 13 |
| 1890 | 5 |
| 1891 | 9 |
| 1892 | 15 |
| 1893 | 11 |
| 1894 | 4 |
| 1895 | 13 |
| 1896 | 8 |
| 1897 | 13 |
| 1898 | 14 |
| 1899 | 2 |
| 1900 | 2 |
| 1902 | 1 |
| 1904 | 2 |
| 1905 | 3 |
| 1907 | 4 |
| 1908 | 2 |
| 1909 | 4 |
| 1910 | 3 |
| 1911 | 3 |
| 1912 | 1 |
| 1913 | 6 |
| 1914 | 4 |
| 1915 | 3 |
| 1916 | 9 |
| 1917 | 4 |
| 1918 | 3 |
| 1919 | 9 |
| 1920 | 5 |
| 1921 | 3 |
| 1922 | 9 |
| 1923 | 6 |
| 1924 | 4 |
| 1925 | 2 |
| 1926 | 4 |
| 1927 | 10 |
| 1928 | 9 |
| 1929 | 5 |
| 1930 | 5 |
| 1931 | 4 |
| 1932 | 6 |
| 1933 | 9 |
| 1934 | 6 |
| 1935 | 5 |
| 1936 | 11 |
| 1937 | 5 |
| 1938 | 9 |
| 1939 | 9 |
| 1940 | 6 |
| 1941 | 6 |
| 1942 | 9 |
| 1943 | 3 |
| 1944 | 9 |
| 1945 | 17 |
| 1946 | 32 |
| 1947 | 35 |
| 1948 | 53 |
| 1949 | 41 |
| 1950 | 48 |
| 1951 | 62 |
| 1952 | 76 |
| 1953 | 71 |
| 1954 | 78 |
| 1955 | 61 |
| 1956 | 63 |
| 1957 | 81 |
| 1958 | 77 |
| 1959 | 76 |
| 1960 | 89 |
| 1961 | 96 |
| 1962 | 112 |
| 1963 | 106 |
| 1964 | 120 |
| 1965 | 167 |
| 1966 | 202 |
| 1967 | 234 |
| 1968 | 235 |
| 1969 | 293 |
| 1970 | 295 |
| 1971 | 277 |
| 1972 | 312 |
| 1973 | 348 |
| 1974 | 303 |
| 1975 | 730 |
| 1976 | 708 |
| 1977 | 727 |
| 1978 | 778 |
| 1979 | 841 |
| 1980 | 844 |
| 1981 | 1006 |
| 1982 | 975 |
| 1983 | 1162 |
| 1984 | 1228 |
| 1985 | 1251 |
| 1986 | 1391 |
| 1987 | 1388 |
| 1988 | 1506 |
| 1989 | 1706 |
| 1990 | 1839 |
| 1991 | 2016 |
| 1992 | 2093 |
| 1993 | 2131 |
| 1994 | 2362 |
| 1995 | 2475 |
| 1996 | 2538 |
| 1997 | 2755 |
| 1998 | 2981 |
| 1999 | 3153 |
| 2000 | 4114 |
| 2001 | 4635 |
| 2002 | 4983 |
| 2003 | 5596 |
| 2004 | 5989 |
| 2005 | 6852 |
| 2006 | 7639 |
| 2007 | 8232 |
| 2008 | 8464 |
| 2009 | 8879 |
| 2010 | 9707 |
| 2011 | 11177 |
| 2012 | 12238 |
| 2013 | 12769 |
| 2014 | 13509 |
| 2015 | 13609 |
| 2016 | 13747 |
| 2017 | 14152 |
| 2018 | 14767 |
| 2019 | 15830 |
| 2020 | 17734 |
| 2021 | 19174 |
| 2022 | 19194 |
| 2023 | 18296 |
| 2024 | 20646 |
| 2025 | 17404 |
| 2026 | 20 |