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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1822 | 2 |
| 1841 | 1 |
| 1842 | 1 |
| 1846 | 1 |
| 1862 | 1 |
| 1866 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1874 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1884 | 5 |
| 1885 | 3 |
| 1886 | 5 |
| 1887 | 2 |
| 1888 | 5 |
| 1889 | 1 |
| 1890 | 2 |
| 1892 | 1 |
| 1893 | 3 |
| 1894 | 1 |
| 1895 | 3 |
| 1896 | 2 |
| 1897 | 2 |
| 1898 | 1 |
| 1900 | 3 |
| 1901 | 2 |
| 1903 | 1 |
| 1904 | 3 |
| 1905 | 2 |
| 1906 | 3 |
| 1907 | 3 |
| 1908 | 1 |
| 1909 | 3 |
| 1910 | 1 |
| 1912 | 2 |
| 1913 | 5 |
| 1914 | 5 |
| 1916 | 5 |
| 1917 | 3 |
| 1919 | 1 |
| 1920 | 2 |
| 1922 | 4 |
| 1923 | 1 |
| 1924 | 2 |
| 1925 | 4 |
| 1927 | 3 |
| 1928 | 3 |
| 1929 | 2 |
| 1930 | 5 |
| 1931 | 3 |
| 1932 | 4 |
| 1933 | 2 |
| 1934 | 8 |
| 1935 | 7 |
| 1936 | 4 |
| 1937 | 4 |
| 1938 | 4 |
| 1939 | 6 |
| 1940 | 3 |
| 1941 | 5 |
| 1942 | 3 |
| 1943 | 3 |
| 1944 | 3 |
| 1945 | 11 |
| 1946 | 16 |
| 1947 | 28 |
| 1948 | 44 |
| 1949 | 41 |
| 1950 | 33 |
| 1951 | 42 |
| 1952 | 49 |
| 1953 | 34 |
| 1954 | 36 |
| 1955 | 44 |
| 1956 | 40 |
| 1957 | 45 |
| 1958 | 51 |
| 1959 | 51 |
| 1960 | 46 |
| 1961 | 55 |
| 1962 | 56 |
| 1963 | 68 |
| 1964 | 83 |
| 1965 | 112 |
| 1966 | 99 |
| 1967 | 92 |
| 1968 | 130 |
| 1969 | 116 |
| 1970 | 103 |
| 1971 | 111 |
| 1972 | 118 |
| 1973 | 110 |
| 1974 | 120 |
| 1975 | 125 |
| 1976 | 133 |
| 1977 | 135 |
| 1978 | 142 |
| 1979 | 208 |
| 1980 | 184 |
| 1981 | 160 |
| 1982 | 170 |
| 1983 | 175 |
| 1984 | 188 |
| 1985 | 195 |
| 1986 | 196 |
| 1987 | 210 |
| 1988 | 230 |
| 1989 | 241 |
| 1990 | 273 |
| 1991 | 290 |
| 1992 | 301 |
| 1993 | 322 |
| 1994 | 341 |
| 1995 | 362 |
| 1996 | 365 |
| 1997 | 361 |
| 1998 | 397 |
| 1999 | 370 |
| 2000 | 427 |
| 2001 | 429 |
| 2002 | 471 |
| 2003 | 491 |
| 2004 | 542 |
| 2005 | 637 |
| 2006 | 609 |
| 2007 | 679 |
| 2008 | 757 |
| 2009 | 769 |
| 2010 | 802 |
| 2011 | 914 |
| 2012 | 938 |
| 2013 | 1051 |
| 2014 | 1058 |
| 2015 | 1127 |
| 2016 | 1138 |
| 2017 | 1168 |
| 2018 | 1188 |
| 2019 | 1219 |
| 2020 | 1281 |
| 2021 | 1486 |
| 2022 | 1459 |
| 2023 | 1276 |
| 2024 | 1345 |
| 2025 | 1257 |
| 2026 | 4 |