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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1818 | 1 |
| 1824 | 2 |
| 1828 | 1 |
| 1829 | 1 |
| 1848 | 1 |
| 1859 | 1 |
| 1860 | 1 |
| 1865 | 3 |
| 1866 | 2 |
| 1868 | 1 |
| 1869 | 2 |
| 1872 | 1 |
| 1873 | 1 |
| 1875 | 1 |
| 1877 | 4 |
| 1878 | 2 |
| 1879 | 4 |
| 1880 | 1 |
| 1881 | 1 |
| 1882 | 1 |
| 1883 | 3 |
| 1887 | 2 |
| 1893 | 1 |
| 1896 | 2 |
| 1898 | 1 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 2 |
| 1904 | 1 |
| 1906 | 1 |
| 1912 | 1 |
| 1916 | 1 |
| 1923 | 1 |
| 1925 | 1 |
| 1927 | 1 |
| 1930 | 3 |
| 1931 | 5 |
| 1932 | 1 |
| 1934 | 2 |
| 1936 | 1 |
| 1938 | 2 |
| 1940 | 4 |
| 1941 | 2 |
| 1942 | 7 |
| 1943 | 3 |
| 1944 | 4 |
| 1945 | 4 |
| 1946 | 27 |
| 1947 | 29 |
| 1948 | 35 |
| 1949 | 28 |
| 1950 | 29 |
| 1951 | 25 |
| 1952 | 30 |
| 1953 | 37 |
| 1954 | 32 |
| 1955 | 47 |
| 1956 | 47 |
| 1957 | 33 |
| 1958 | 44 |
| 1959 | 45 |
| 1960 | 41 |
| 1961 | 54 |
| 1962 | 61 |
| 1963 | 72 |
| 1964 | 71 |
| 1965 | 79 |
| 1966 | 87 |
| 1967 | 88 |
| 1968 | 110 |
| 1969 | 133 |
| 1970 | 128 |
| 1971 | 152 |
| 1972 | 122 |
| 1973 | 145 |
| 1974 | 123 |
| 1975 | 165 |
| 1976 | 152 |
| 1977 | 168 |
| 1978 | 168 |
| 1979 | 174 |
| 1980 | 189 |
| 1981 | 205 |
| 1982 | 237 |
| 1983 | 227 |
| 1984 | 233 |
| 1985 | 263 |
| 1986 | 293 |
| 1987 | 297 |
| 1988 | 331 |
| 1989 | 367 |
| 1990 | 375 |
| 1991 | 405 |
| 1992 | 421 |
| 1993 | 424 |
| 1994 | 424 |
| 1995 | 443 |
| 1996 | 484 |
| 1997 | 501 |
| 1998 | 484 |
| 1999 | 492 |
| 2000 | 602 |
| 2001 | 601 |
| 2002 | 665 |
| 2003 | 640 |
| 2004 | 667 |
| 2005 | 818 |
| 2006 | 843 |
| 2007 | 860 |
| 2008 | 992 |
| 2009 | 1006 |
| 2010 | 1113 |
| 2011 | 1297 |
| 2012 | 1305 |
| 2013 | 1378 |
| 2014 | 1434 |
| 2015 | 1618 |
| 2016 | 1569 |
| 2017 | 1729 |
| 2018 | 1766 |
| 2019 | 1753 |
| 2020 | 1882 |
| 2021 | 2158 |
| 2022 | 2115 |
| 2023 | 1925 |
| 2024 | 1943 |
| 2025 | 1588 |
| 2026 | 1 |