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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1820 | 2 |
| 1822 | 1 |
| 1823 | 1 |
| 1824 | 1 |
| 1827 | 2 |
| 1829 | 1 |
| 1840 | 1 |
| 1841 | 1 |
| 1842 | 3 |
| 1849 | 2 |
| 1855 | 2 |
| 1856 | 1 |
| 1857 | 2 |
| 1858 | 1 |
| 1859 | 1 |
| 1860 | 2 |
| 1862 | 1 |
| 1863 | 1 |
| 1864 | 1 |
| 1867 | 1 |
| 1868 | 3 |
| 1869 | 1 |
| 1871 | 3 |
| 1873 | 1 |
| 1874 | 2 |
| 1875 | 1 |
| 1876 | 3 |
| 1877 | 3 |
| 1878 | 5 |
| 1880 | 1 |
| 1882 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 3 |
| 1887 | 3 |
| 1888 | 2 |
| 1889 | 1 |
| 1890 | 2 |
| 1893 | 1 |
| 1896 | 3 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1902 | 4 |
| 1905 | 3 |
| 1906 | 1 |
| 1907 | 2 |
| 1908 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1912 | 2 |
| 1913 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1924 | 1 |
| 1925 | 2 |
| 1928 | 2 |
| 1933 | 1 |
| 1935 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 1 |
| 1945 | 8 |
| 1946 | 26 |
| 1947 | 33 |
| 1948 | 39 |
| 1949 | 36 |
| 1950 | 47 |
| 1951 | 63 |
| 1952 | 78 |
| 1953 | 71 |
| 1954 | 81 |
| 1955 | 77 |
| 1956 | 56 |
| 1957 | 54 |
| 1958 | 79 |
| 1959 | 63 |
| 1960 | 64 |
| 1961 | 67 |
| 1962 | 50 |
| 1963 | 71 |
| 1964 | 74 |
| 1965 | 45 |
| 1966 | 35 |
| 1967 | 37 |
| 1968 | 59 |
| 1969 | 75 |
| 1970 | 73 |
| 1971 | 77 |
| 1972 | 75 |
| 1973 | 82 |
| 1974 | 93 |
| 1975 | 112 |
| 1976 | 97 |
| 1977 | 89 |
| 1978 | 86 |
| 1979 | 98 |
| 1980 | 124 |
| 1981 | 99 |
| 1982 | 102 |
| 1983 | 155 |
| 1984 | 146 |
| 1985 | 149 |
| 1986 | 163 |
| 1987 | 142 |
| 1988 | 170 |
| 1989 | 182 |
| 1990 | 198 |
| 1991 | 176 |
| 1992 | 187 |
| 1993 | 190 |
| 1994 | 180 |
| 1995 | 192 |
| 1996 | 160 |
| 1997 | 209 |
| 1998 | 193 |
| 1999 | 181 |
| 2000 | 249 |
| 2001 | 193 |
| 2002 | 226 |
| 2003 | 234 |
| 2004 | 240 |
| 2005 | 320 |
| 2006 | 317 |
| 2007 | 334 |
| 2008 | 369 |
| 2009 | 392 |
| 2010 | 383 |
| 2011 | 390 |
| 2012 | 428 |
| 2013 | 491 |
| 2014 | 529 |
| 2015 | 551 |
| 2016 | 502 |
| 2017 | 497 |
| 2018 | 514 |
| 2019 | 552 |
| 2020 | 549 |
| 2021 | 609 |
| 2022 | 416 |
| 2023 | 373 |
| 2024 | 169 |