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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1838 | 1 |
| 1843 | 1 |
| 1852 | 1 |
| 1876 | 1 |
| 1877 | 3 |
| 1878 | 3 |
| 1879 | 1 |
| 1880 | 1 |
| 1881 | 5 |
| 1882 | 4 |
| 1883 | 1 |
| 1884 | 1 |
| 1886 | 2 |
| 1887 | 1 |
| 1890 | 1 |
| 1893 | 4 |
| 1894 | 1 |
| 1895 | 3 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 2 |
| 1904 | 1 |
| 1905 | 3 |
| 1907 | 2 |
| 1908 | 2 |
| 1909 | 1 |
| 1910 | 3 |
| 1911 | 2 |
| 1912 | 2 |
| 1913 | 1 |
| 1916 | 3 |
| 1917 | 3 |
| 1919 | 1 |
| 1921 | 5 |
| 1922 | 2 |
| 1923 | 2 |
| 1924 | 3 |
| 1925 | 2 |
| 1926 | 2 |
| 1927 | 2 |
| 1928 | 3 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 4 |
| 1934 | 2 |
| 1935 | 3 |
| 1937 | 2 |
| 1938 | 3 |
| 1939 | 3 |
| 1940 | 6 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 4 |
| 1944 | 5 |
| 1945 | 8 |
| 1946 | 26 |
| 1947 | 28 |
| 1948 | 20 |
| 1949 | 26 |
| 1950 | 25 |
| 1951 | 30 |
| 1952 | 27 |
| 1953 | 32 |
| 1954 | 22 |
| 1955 | 22 |
| 1956 | 15 |
| 1957 | 27 |
| 1958 | 16 |
| 1959 | 18 |
| 1960 | 27 |
| 1961 | 26 |
| 1962 | 19 |
| 1963 | 24 |
| 1964 | 22 |
| 1965 | 34 |
| 1966 | 31 |
| 1967 | 34 |
| 1968 | 38 |
| 1969 | 38 |
| 1970 | 44 |
| 1971 | 39 |
| 1972 | 49 |
| 1973 | 57 |
| 1974 | 43 |
| 1975 | 65 |
| 1976 | 50 |
| 1977 | 80 |
| 1978 | 64 |
| 1979 | 101 |
| 1980 | 87 |
| 1981 | 95 |
| 1982 | 82 |
| 1983 | 84 |
| 1984 | 94 |
| 1985 | 108 |
| 1986 | 122 |
| 1987 | 119 |
| 1988 | 122 |
| 1989 | 124 |
| 1990 | 130 |
| 1991 | 116 |
| 1992 | 122 |
| 1993 | 120 |
| 1994 | 116 |
| 1995 | 137 |
| 1996 | 139 |
| 1997 | 181 |
| 1998 | 180 |
| 1999 | 180 |
| 2000 | 178 |
| 2001 | 185 |
| 2002 | 182 |
| 2003 | 169 |
| 2004 | 210 |
| 2005 | 200 |
| 2006 | 218 |
| 2007 | 228 |
| 2008 | 233 |
| 2009 | 228 |
| 2010 | 267 |
| 2011 | 278 |
| 2012 | 244 |
| 2013 | 240 |
| 2014 | 275 |
| 2015 | 312 |
| 2016 | 331 |
| 2017 | 325 |
| 2018 | 306 |
| 2019 | 272 |
| 2020 | 347 |
| 2021 | 365 |
| 2022 | 310 |
| 2023 | 319 |
| 2024 | 303 |
| 2025 | 139 |