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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1816 | 1 |
| 1822 | 1 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 4 |
| 1873 | 2 |
| 1874 | 2 |
| 1876 | 1 |
| 1878 | 1 |
| 1879 | 3 |
| 1880 | 1 |
| 1882 | 1 |
| 1883 | 1 |
| 1884 | 5 |
| 1885 | 4 |
| 1886 | 1 |
| 1888 | 2 |
| 1889 | 2 |
| 1892 | 3 |
| 1893 | 1 |
| 1894 | 1 |
| 1904 | 1 |
| 1910 | 2 |
| 1911 | 2 |
| 1913 | 1 |
| 1915 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 2 |
| 1928 | 2 |
| 1929 | 2 |
| 1930 | 1 |
| 1931 | 3 |
| 1932 | 3 |
| 1933 | 2 |
| 1934 | 4 |
| 1935 | 7 |
| 1936 | 2 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 5 |
| 1940 | 1 |
| 1941 | 3 |
| 1942 | 2 |
| 1943 | 1 |
| 1944 | 2 |
| 1945 | 7 |
| 1946 | 21 |
| 1947 | 29 |
| 1948 | 24 |
| 1949 | 16 |
| 1950 | 28 |
| 1951 | 34 |
| 1952 | 35 |
| 1953 | 25 |
| 1954 | 41 |
| 1955 | 38 |
| 1956 | 33 |
| 1957 | 32 |
| 1958 | 29 |
| 1959 | 30 |
| 1960 | 36 |
| 1961 | 35 |
| 1962 | 35 |
| 1963 | 37 |
| 1964 | 63 |
| 1965 | 56 |
| 1966 | 69 |
| 1967 | 76 |
| 1968 | 101 |
| 1969 | 110 |
| 1970 | 139 |
| 1971 | 133 |
| 1972 | 144 |
| 1973 | 120 |
| 1974 | 125 |
| 1975 | 174 |
| 1976 | 164 |
| 1977 | 195 |
| 1978 | 210 |
| 1979 | 212 |
| 1980 | 241 |
| 1981 | 210 |
| 1982 | 254 |
| 1983 | 239 |
| 1984 | 223 |
| 1985 | 295 |
| 1986 | 277 |
| 1987 | 375 |
| 1988 | 364 |
| 1989 | 365 |
| 1990 | 417 |
| 1991 | 467 |
| 1992 | 419 |
| 1993 | 474 |
| 1994 | 536 |
| 1995 | 551 |
| 1996 | 569 |
| 1997 | 604 |
| 1998 | 589 |
| 1999 | 583 |
| 2000 | 663 |
| 2001 | 723 |
| 2002 | 714 |
| 2003 | 763 |
| 2004 | 756 |
| 2005 | 815 |
| 2006 | 925 |
| 2007 | 945 |
| 2008 | 1108 |
| 2009 | 1116 |
| 2010 | 1165 |
| 2011 | 1232 |
| 2012 | 1286 |
| 2013 | 1464 |
| 2014 | 1527 |
| 2015 | 1653 |
| 2016 | 1823 |
| 2017 | 1950 |
| 2018 | 2085 |
| 2019 | 2214 |
| 2020 | 2430 |
| 2021 | 2607 |
| 2022 | 2475 |
| 2023 | 2347 |
| 2024 | 2402 |
| 2025 | 2438 |
| 2026 | 49 |