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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1801 | 1 |
| 1810 | 3 |
| 1833 | 1 |
| 1834 | 1 |
| 1836 | 1 |
| 1842 | 1 |
| 1843 | 2 |
| 1844 | 2 |
| 1845 | 1 |
| 1849 | 1 |
| 1850 | 2 |
| 1851 | 1 |
| 1853 | 4 |
| 1857 | 1 |
| 1863 | 3 |
| 1864 | 2 |
| 1869 | 1 |
| 1870 | 1 |
| 1871 | 1 |
| 1872 | 2 |
| 1876 | 1 |
| 1877 | 1 |
| 1878 | 1 |
| 1879 | 1 |
| 1885 | 1 |
| 1889 | 1 |
| 1904 | 1 |
| 1921 | 1 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 2 |
| 1926 | 2 |
| 1927 | 1 |
| 1928 | 1 |
| 1929 | 2 |
| 1930 | 1 |
| 1935 | 4 |
| 1936 | 2 |
| 1937 | 3 |
| 1938 | 4 |
| 1939 | 2 |
| 1940 | 2 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 5 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 16 |
| 1947 | 11 |
| 1948 | 17 |
| 1949 | 8 |
| 1950 | 10 |
| 1951 | 7 |
| 1952 | 8 |
| 1953 | 6 |
| 1954 | 4 |
| 1955 | 7 |
| 1956 | 1 |
| 1957 | 11 |
| 1958 | 17 |
| 1959 | 11 |
| 1960 | 8 |
| 1961 | 8 |
| 1962 | 10 |
| 1963 | 4 |
| 1964 | 12 |
| 1965 | 12 |
| 1966 | 12 |
| 1967 | 9 |
| 1968 | 12 |
| 1969 | 19 |
| 1970 | 22 |
| 1971 | 21 |
| 1972 | 35 |
| 1973 | 24 |
| 1974 | 22 |
| 1975 | 33 |
| 1976 | 27 |
| 1977 | 40 |
| 1978 | 40 |
| 1979 | 25 |
| 1980 | 41 |
| 1981 | 38 |
| 1982 | 54 |
| 1983 | 51 |
| 1984 | 52 |
| 1985 | 67 |
| 1986 | 80 |
| 1987 | 55 |
| 1988 | 64 |
| 1989 | 67 |
| 1990 | 70 |
| 1991 | 87 |
| 1992 | 77 |
| 1993 | 88 |
| 1994 | 85 |
| 1995 | 80 |
| 1996 | 120 |
| 1997 | 104 |
| 1998 | 124 |
| 1999 | 118 |
| 2000 | 89 |
| 2001 | 105 |
| 2002 | 120 |
| 2003 | 146 |
| 2004 | 143 |
| 2005 | 160 |
| 2006 | 151 |
| 2007 | 176 |
| 2008 | 119 |
| 2009 | 156 |
| 2010 | 162 |
| 2011 | 197 |
| 2012 | 211 |
| 2013 | 208 |
| 2014 | 268 |
| 2015 | 259 |
| 2016 | 277 |
| 2017 | 277 |
| 2018 | 315 |
| 2019 | 278 |
| 2020 | 328 |
| 2021 | 374 |
| 2022 | 301 |
| 2023 | 299 |
| 2024 | 306 |
| 2025 | 234 |