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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1853 | 1 |
| 1858 | 1 |
| 1859 | 2 |
| 1875 | 1 |
| 1881 | 5 |
| 1882 | 1 |
| 1883 | 1 |
| 1884 | 1 |
| 1885 | 2 |
| 1886 | 4 |
| 1888 | 1 |
| 1891 | 1 |
| 1895 | 1 |
| 1907 | 1 |
| 1910 | 1 |
| 1913 | 1 |
| 1922 | 1 |
| 1933 | 2 |
| 1934 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 3 |
| 1946 | 9 |
| 1947 | 14 |
| 1948 | 14 |
| 1949 | 4 |
| 1950 | 13 |
| 1951 | 16 |
| 1952 | 8 |
| 1953 | 13 |
| 1954 | 17 |
| 1955 | 22 |
| 1956 | 19 |
| 1957 | 24 |
| 1958 | 16 |
| 1959 | 21 |
| 1960 | 14 |
| 1961 | 13 |
| 1962 | 7 |
| 1963 | 17 |
| 1964 | 24 |
| 1965 | 37 |
| 1966 | 21 |
| 1967 | 24 |
| 1968 | 31 |
| 1969 | 28 |
| 1970 | 21 |
| 1971 | 31 |
| 1972 | 22 |
| 1973 | 36 |
| 1974 | 26 |
| 1975 | 30 |
| 1976 | 31 |
| 1977 | 37 |
| 1978 | 30 |
| 1979 | 34 |
| 1980 | 32 |
| 1981 | 34 |
| 1982 | 39 |
| 1983 | 40 |
| 1984 | 42 |
| 1985 | 44 |
| 1986 | 49 |
| 1987 | 51 |
| 1988 | 50 |
| 1989 | 57 |
| 1990 | 54 |
| 1991 | 48 |
| 1992 | 55 |
| 1993 | 41 |
| 1994 | 46 |
| 1995 | 44 |
| 1996 | 53 |
| 1997 | 55 |
| 1998 | 56 |
| 1999 | 45 |
| 2000 | 57 |
| 2001 | 71 |
| 2002 | 69 |
| 2003 | 85 |
| 2004 | 83 |
| 2005 | 85 |
| 2006 | 104 |
| 2007 | 113 |
| 2008 | 88 |
| 2009 | 110 |
| 2010 | 128 |
| 2011 | 141 |
| 2012 | 144 |
| 2013 | 130 |
| 2014 | 162 |
| 2015 | 177 |
| 2016 | 174 |
| 2017 | 149 |
| 2018 | 239 |
| 2019 | 215 |
| 2020 | 231 |
| 2021 | 302 |
| 2022 | 271 |
| 2023 | 222 |
| 2024 | 218 |
| 2025 | 242 |