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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1799 | 1 |
| 1802 | 1 |
| 1803 | 2 |
| 1805 | 1 |
| 1809 | 2 |
| 1810 | 1 |
| 1812 | 1 |
| 1813 | 1 |
| 1814 | 3 |
| 1815 | 4 |
| 1817 | 3 |
| 1818 | 3 |
| 1822 | 1 |
| 1825 | 1 |
| 1826 | 1 |
| 1827 | 2 |
| 1829 | 1 |
| 1832 | 2 |
| 1837 | 2 |
| 1839 | 1 |
| 1841 | 1 |
| 1843 | 4 |
| 1844 | 2 |
| 1845 | 2 |
| 1846 | 1 |
| 1847 | 2 |
| 1848 | 2 |
| 1851 | 2 |
| 1852 | 2 |
| 1854 | 1 |
| 1859 | 4 |
| 1860 | 2 |
| 1861 | 2 |
| 1863 | 1 |
| 1865 | 1 |
| 1866 | 1 |
| 1867 | 3 |
| 1869 | 6 |
| 1870 | 3 |
| 1871 | 5 |
| 1872 | 2 |
| 1873 | 2 |
| 1874 | 4 |
| 1875 | 3 |
| 1876 | 1 |
| 1877 | 3 |
| 1878 | 1 |
| 1879 | 3 |
| 1881 | 3 |
| 1882 | 2 |
| 1883 | 2 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 3 |
| 1887 | 3 |
| 1888 | 4 |
| 1889 | 2 |
| 1890 | 5 |
| 1891 | 3 |
| 1892 | 3 |
| 1893 | 4 |
| 1894 | 1 |
| 1895 | 2 |
| 1896 | 1 |
| 1897 | 3 |
| 1898 | 6 |
| 1899 | 1 |
| 1900 | 2 |
| 1901 | 3 |
| 1902 | 2 |
| 1903 | 4 |
| 1904 | 4 |
| 1905 | 3 |
| 1906 | 4 |
| 1907 | 6 |
| 1908 | 3 |
| 1909 | 5 |
| 1910 | 1 |
| 1911 | 3 |
| 1912 | 5 |
| 1913 | 4 |
| 1914 | 5 |
| 1915 | 8 |
| 1916 | 9 |
| 1917 | 11 |
| 1918 | 16 |
| 1919 | 8 |
| 1920 | 6 |
| 1921 | 9 |
| 1922 | 9 |
| 1923 | 6 |
| 1924 | 17 |
| 1925 | 8 |
| 1926 | 12 |
| 1927 | 8 |
| 1928 | 9 |
| 1929 | 12 |
| 1930 | 9 |
| 1931 | 10 |
| 1932 | 12 |
| 1933 | 13 |
| 1934 | 13 |
| 1935 | 12 |
| 1936 | 5 |
| 1937 | 8 |
| 1938 | 12 |
| 1939 | 14 |
| 1940 | 8 |
| 1941 | 10 |
| 1942 | 10 |
| 1943 | 9 |
| 1944 | 15 |
| 1945 | 12 |
| 1946 | 59 |
| 1947 | 55 |
| 1948 | 68 |
| 1949 | 59 |
| 1950 | 61 |
| 1951 | 68 |
| 1952 | 72 |
| 1953 | 62 |
| 1954 | 74 |
| 1955 | 60 |
| 1956 | 57 |
| 1957 | 79 |
| 1958 | 61 |
| 1959 | 70 |
| 1960 | 63 |
| 1961 | 71 |
| 1962 | 73 |
| 1963 | 90 |
| 1964 | 130 |
| 1965 | 115 |
| 1966 | 121 |
| 1967 | 106 |
| 1968 | 169 |
| 1969 | 146 |
| 1970 | 157 |
| 1971 | 187 |
| 1972 | 195 |
| 1973 | 178 |
| 1974 | 182 |
| 1975 | 222 |
| 1976 | 261 |
| 1977 | 236 |
| 1978 | 271 |
| 1979 | 303 |
| 1980 | 304 |
| 1981 | 328 |
| 1982 | 334 |
| 1983 | 390 |
| 1984 | 376 |
| 1985 | 359 |
| 1986 | 410 |
| 1987 | 478 |
| 1988 | 433 |
| 1989 | 490 |
| 1990 | 476 |
| 1991 | 490 |
| 1992 | 540 |
| 1993 | 590 |
| 1994 | 547 |
| 1995 | 541 |
| 1996 | 607 |
| 1997 | 563 |
| 1998 | 546 |
| 1999 | 575 |
| 2000 | 659 |
| 2001 | 686 |
| 2002 | 733 |
| 2003 | 709 |
| 2004 | 762 |
| 2005 | 789 |
| 2006 | 824 |
| 2007 | 904 |
| 2008 | 956 |
| 2009 | 996 |
| 2010 | 1067 |
| 2011 | 1170 |
| 2012 | 1227 |
| 2013 | 1259 |
| 2014 | 1395 |
| 2015 | 1443 |
| 2016 | 1386 |
| 2017 | 1458 |
| 2018 | 1544 |
| 2019 | 1463 |
| 2020 | 1646 |
| 2021 | 1831 |
| 2022 | 1673 |
| 2023 | 1501 |
| 2024 | 1537 |
| 2025 | 1187 |