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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1815 | 1 |
| 1817 | 1 |
| 1819 | 1 |
| 1827 | 2 |
| 1828 | 1 |
| 1831 | 1 |
| 1841 | 1 |
| 1843 | 1 |
| 1860 | 1 |
| 1877 | 1 |
| 1878 | 2 |
| 1879 | 3 |
| 1880 | 5 |
| 1881 | 3 |
| 1882 | 1 |
| 1883 | 5 |
| 1884 | 6 |
| 1885 | 9 |
| 1886 | 6 |
| 1887 | 9 |
| 1888 | 1 |
| 1889 | 2 |
| 1890 | 4 |
| 1891 | 1 |
| 1892 | 4 |
| 1893 | 2 |
| 1894 | 3 |
| 1895 | 6 |
| 1896 | 2 |
| 1897 | 4 |
| 1898 | 7 |
| 1899 | 11 |
| 1900 | 8 |
| 1901 | 3 |
| 1902 | 2 |
| 1903 | 1 |
| 1904 | 4 |
| 1905 | 3 |
| 1906 | 1 |
| 1907 | 3 |
| 1908 | 2 |
| 1909 | 6 |
| 1910 | 3 |
| 1911 | 2 |
| 1912 | 6 |
| 1913 | 2 |
| 1915 | 3 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 3 |
| 1919 | 4 |
| 1920 | 2 |
| 1921 | 3 |
| 1922 | 6 |
| 1923 | 8 |
| 1924 | 4 |
| 1925 | 7 |
| 1926 | 9 |
| 1927 | 8 |
| 1928 | 13 |
| 1929 | 6 |
| 1930 | 3 |
| 1931 | 4 |
| 1932 | 7 |
| 1933 | 6 |
| 1934 | 6 |
| 1935 | 4 |
| 1936 | 2 |
| 1937 | 11 |
| 1938 | 3 |
| 1939 | 3 |
| 1940 | 7 |
| 1941 | 10 |
| 1942 | 1 |
| 1943 | 2 |
| 1944 | 5 |
| 1945 | 14 |
| 1946 | 32 |
| 1947 | 31 |
| 1948 | 48 |
| 1949 | 36 |
| 1950 | 44 |
| 1951 | 65 |
| 1952 | 61 |
| 1953 | 53 |
| 1954 | 53 |
| 1955 | 67 |
| 1956 | 62 |
| 1957 | 75 |
| 1958 | 71 |
| 1959 | 67 |
| 1960 | 74 |
| 1961 | 90 |
| 1962 | 98 |
| 1963 | 101 |
| 1964 | 117 |
| 1965 | 124 |
| 1966 | 106 |
| 1967 | 137 |
| 1968 | 165 |
| 1969 | 164 |
| 1970 | 209 |
| 1971 | 216 |
| 1972 | 229 |
| 1973 | 209 |
| 1974 | 247 |
| 1975 | 250 |
| 1976 | 293 |
| 1977 | 247 |
| 1978 | 288 |
| 1979 | 342 |
| 1980 | 294 |
| 1981 | 299 |
| 1982 | 306 |
| 1983 | 316 |
| 1984 | 337 |
| 1985 | 392 |
| 1986 | 386 |
| 1987 | 374 |
| 1988 | 365 |
| 1989 | 437 |
| 1990 | 446 |
| 1991 | 469 |
| 1992 | 429 |
| 1993 | 423 |
| 1994 | 475 |
| 1995 | 532 |
| 1996 | 534 |
| 1997 | 551 |
| 1998 | 528 |
| 1999 | 574 |
| 2000 | 578 |
| 2001 | 623 |
| 2002 | 630 |
| 2003 | 613 |
| 2004 | 717 |
| 2005 | 695 |
| 2006 | 771 |
| 2007 | 776 |
| 2008 | 827 |
| 2009 | 930 |
| 2010 | 999 |
| 2011 | 1092 |
| 2012 | 1105 |
| 2013 | 1222 |
| 2014 | 1230 |
| 2015 | 1361 |
| 2016 | 1420 |
| 2017 | 1543 |
| 2018 | 1658 |
| 2019 | 1639 |
| 2020 | 1889 |
| 2021 | 2201 |
| 2022 | 1984 |
| 2023 | 1873 |
| 2024 | 626 |