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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1816 | 1 |
| 1846 | 1 |
| 1851 | 5 |
| 1852 | 3 |
| 1853 | 1 |
| 1855 | 1 |
| 1856 | 2 |
| 1857 | 3 |
| 1860 | 1 |
| 1869 | 1 |
| 1872 | 2 |
| 1873 | 2 |
| 1874 | 1 |
| 1875 | 1 |
| 1881 | 3 |
| 1885 | 2 |
| 1889 | 1 |
| 1892 | 2 |
| 1893 | 2 |
| 1895 | 3 |
| 1898 | 1 |
| 1899 | 2 |
| 1902 | 1 |
| 1904 | 1 |
| 1905 | 2 |
| 1907 | 1 |
| 1908 | 4 |
| 1909 | 2 |
| 1910 | 1 |
| 1912 | 3 |
| 1913 | 4 |
| 1914 | 2 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 2 |
| 1918 | 6 |
| 1919 | 2 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 3 |
| 1924 | 4 |
| 1925 | 1 |
| 1926 | 6 |
| 1927 | 12 |
| 1928 | 6 |
| 1929 | 10 |
| 1930 | 2 |
| 1931 | 9 |
| 1932 | 6 |
| 1933 | 13 |
| 1934 | 8 |
| 1935 | 10 |
| 1936 | 8 |
| 1937 | 3 |
| 1938 | 1 |
| 1939 | 1 |
| 1940 | 6 |
| 1942 | 4 |
| 1943 | 5 |
| 1945 | 2 |
| 1946 | 11 |
| 1947 | 6 |
| 1948 | 11 |
| 1949 | 7 |
| 1950 | 23 |
| 1951 | 17 |
| 1952 | 26 |
| 1953 | 34 |
| 1954 | 7 |
| 1955 | 31 |
| 1956 | 26 |
| 1957 | 26 |
| 1958 | 29 |
| 1959 | 26 |
| 1960 | 15 |
| 1961 | 10 |
| 1962 | 16 |
| 1963 | 20 |
| 1964 | 22 |
| 1965 | 32 |
| 1966 | 54 |
| 1967 | 27 |
| 1968 | 39 |
| 1969 | 38 |
| 1970 | 33 |
| 1971 | 38 |
| 1972 | 42 |
| 1973 | 40 |
| 1974 | 55 |
| 1975 | 48 |
| 1976 | 50 |
| 1977 | 46 |
| 1978 | 65 |
| 1979 | 77 |
| 1980 | 40 |
| 1981 | 54 |
| 1982 | 60 |
| 1983 | 56 |
| 1984 | 72 |
| 1985 | 78 |
| 1986 | 89 |
| 1987 | 108 |
| 1988 | 115 |
| 1989 | 104 |
| 1990 | 96 |
| 1991 | 99 |
| 1992 | 125 |
| 1993 | 116 |
| 1994 | 150 |
| 1995 | 149 |
| 1996 | 172 |
| 1997 | 157 |
| 1998 | 190 |
| 1999 | 200 |
| 2000 | 215 |
| 2001 | 255 |
| 2002 | 266 |
| 2003 | 266 |
| 2004 | 296 |
| 2005 | 280 |
| 2006 | 347 |
| 2007 | 374 |
| 2008 | 392 |
| 2009 | 407 |
| 2010 | 434 |
| 2011 | 486 |
| 2012 | 533 |
| 2013 | 578 |
| 2014 | 693 |
| 2015 | 836 |
| 2016 | 869 |
| 2017 | 869 |
| 2018 | 922 |
| 2019 | 1052 |
| 2020 | 1281 |
| 2021 | 1513 |
| 2022 | 1387 |
| 2023 | 1343 |
| 2024 | 1407 |
| 2025 | 1201 |
| 2026 | 1 |