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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1834 | 1 |
| 1836 | 1 |
| 1846 | 1 |
| 1848 | 1 |
| 1860 | 1 |
| 1871 | 1 |
| 1874 | 1 |
| 1880 | 1 |
| 1884 | 3 |
| 1894 | 1 |
| 1899 | 1 |
| 1902 | 1 |
| 1905 | 1 |
| 1907 | 2 |
| 1909 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1916 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1920 | 2 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 5 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1930 | 2 |
| 1932 | 5 |
| 1933 | 10 |
| 1934 | 10 |
| 1935 | 6 |
| 1936 | 6 |
| 1937 | 2 |
| 1938 | 3 |
| 1939 | 6 |
| 1940 | 3 |
| 1941 | 8 |
| 1942 | 5 |
| 1943 | 5 |
| 1944 | 2 |
| 1945 | 4 |
| 1946 | 21 |
| 1947 | 24 |
| 1948 | 25 |
| 1949 | 21 |
| 1950 | 44 |
| 1951 | 45 |
| 1952 | 34 |
| 1953 | 49 |
| 1954 | 37 |
| 1955 | 38 |
| 1956 | 35 |
| 1957 | 36 |
| 1958 | 35 |
| 1959 | 39 |
| 1960 | 29 |
| 1961 | 42 |
| 1962 | 51 |
| 1963 | 56 |
| 1964 | 60 |
| 1965 | 76 |
| 1966 | 63 |
| 1967 | 71 |
| 1968 | 71 |
| 1969 | 74 |
| 1970 | 107 |
| 1971 | 88 |
| 1972 | 111 |
| 1973 | 105 |
| 1974 | 101 |
| 1975 | 104 |
| 1976 | 124 |
| 1977 | 114 |
| 1978 | 121 |
| 1979 | 127 |
| 1980 | 143 |
| 1981 | 116 |
| 1982 | 135 |
| 1983 | 157 |
| 1984 | 190 |
| 1985 | 159 |
| 1986 | 199 |
| 1987 | 203 |
| 1988 | 247 |
| 1989 | 210 |
| 1990 | 216 |
| 1991 | 242 |
| 1992 | 260 |
| 1993 | 243 |
| 1994 | 235 |
| 1995 | 228 |
| 1996 | 259 |
| 1997 | 277 |
| 1998 | 264 |
| 1999 | 315 |
| 2000 | 310 |
| 2001 | 349 |
| 2002 | 404 |
| 2003 | 377 |
| 2004 | 424 |
| 2005 | 518 |
| 2006 | 578 |
| 2007 | 647 |
| 2008 | 675 |
| 2009 | 752 |
| 2010 | 881 |
| 2011 | 892 |
| 2012 | 967 |
| 2013 | 1000 |
| 2014 | 1077 |
| 2015 | 1152 |
| 2016 | 1167 |
| 2017 | 1108 |
| 2018 | 1192 |
| 2019 | 1298 |
| 2020 | 1466 |
| 2021 | 1729 |
| 2022 | 1653 |
| 2023 | 1627 |
| 2024 | 1622 |
| 2025 | 818 |