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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1857 | 1 |
| 1860 | 2 |
| 1869 | 1 |
| 1872 | 1 |
| 1875 | 1 |
| 1876 | 1 |
| 1878 | 1 |
| 1880 | 1 |
| 1886 | 1 |
| 1891 | 1 |
| 1894 | 1 |
| 1897 | 2 |
| 1900 | 1 |
| 1901 | 1 |
| 1903 | 1 |
| 1908 | 3 |
| 1909 | 1 |
| 1911 | 1 |
| 1913 | 3 |
| 1923 | 1 |
| 1925 | 1 |
| 1929 | 1 |
| 1931 | 1 |
| 1939 | 1 |
| 1941 | 1 |
| 1945 | 8 |
| 1946 | 35 |
| 1947 | 26 |
| 1948 | 38 |
| 1949 | 30 |
| 1950 | 26 |
| 1951 | 47 |
| 1952 | 55 |
| 1953 | 73 |
| 1954 | 54 |
| 1955 | 71 |
| 1956 | 44 |
| 1957 | 76 |
| 1958 | 75 |
| 1959 | 49 |
| 1960 | 59 |
| 1961 | 66 |
| 1962 | 73 |
| 1963 | 131 |
| 1964 | 152 |
| 1965 | 117 |
| 1966 | 101 |
| 1967 | 193 |
| 1968 | 186 |
| 1969 | 204 |
| 1970 | 181 |
| 1971 | 187 |
| 1972 | 180 |
| 1973 | 166 |
| 1974 | 193 |
| 1975 | 198 |
| 1976 | 178 |
| 1977 | 173 |
| 1978 | 146 |
| 1979 | 158 |
| 1980 | 147 |
| 1981 | 178 |
| 1982 | 200 |
| 1983 | 204 |
| 1984 | 237 |
| 1985 | 246 |
| 1986 | 239 |
| 1987 | 263 |
| 1988 | 282 |
| 1989 | 303 |
| 1990 | 352 |
| 1991 | 342 |
| 1992 | 311 |
| 1993 | 396 |
| 1994 | 343 |
| 1995 | 354 |
| 1996 | 374 |
| 1997 | 353 |
| 1998 | 384 |
| 1999 | 411 |
| 2000 | 414 |
| 2001 | 476 |
| 2002 | 457 |
| 2003 | 538 |
| 2004 | 615 |
| 2005 | 671 |
| 2006 | 794 |
| 2007 | 763 |
| 2008 | 872 |
| 2009 | 935 |
| 2010 | 937 |
| 2011 | 1018 |
| 2012 | 1015 |
| 2013 | 1004 |
| 2014 | 1113 |
| 2015 | 1139 |
| 2016 | 1117 |
| 2017 | 1055 |
| 2018 | 1068 |
| 2019 | 1187 |
| 2020 | 1280 |
| 2021 | 1493 |
| 2022 | 1503 |
| 2023 | 1472 |
| 2024 | 540 |