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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1856 | 1 |
| 1857 | 1 |
| 1858 | 1 |
| 1860 | 1 |
| 1897 | 2 |
| 1898 | 3 |
| 1903 | 1 |
| 1904 | 1 |
| 1909 | 1 |
| 1911 | 5 |
| 1913 | 1 |
| 1914 | 1 |
| 1916 | 1 |
| 1922 | 1 |
| 1925 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1930 | 2 |
| 1932 | 1 |
| 1934 | 1 |
| 1937 | 2 |
| 1939 | 5 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 10 |
| 1947 | 5 |
| 1948 | 11 |
| 1949 | 12 |
| 1950 | 11 |
| 1951 | 8 |
| 1952 | 22 |
| 1953 | 12 |
| 1954 | 21 |
| 1955 | 29 |
| 1956 | 16 |
| 1957 | 20 |
| 1958 | 23 |
| 1959 | 31 |
| 1960 | 37 |
| 1961 | 23 |
| 1962 | 26 |
| 1963 | 25 |
| 1964 | 32 |
| 1965 | 31 |
| 1966 | 26 |
| 1967 | 45 |
| 1968 | 39 |
| 1969 | 25 |
| 1970 | 37 |
| 1971 | 39 |
| 1972 | 22 |
| 1973 | 30 |
| 1974 | 31 |
| 1975 | 31 |
| 1976 | 39 |
| 1977 | 36 |
| 1978 | 53 |
| 1979 | 56 |
| 1980 | 66 |
| 1981 | 57 |
| 1982 | 62 |
| 1983 | 36 |
| 1984 | 37 |
| 1985 | 93 |
| 1986 | 97 |
| 1987 | 99 |
| 1988 | 48 |
| 1989 | 46 |
| 1990 | 47 |
| 1991 | 56 |
| 1992 | 43 |
| 1993 | 59 |
| 1994 | 49 |
| 1995 | 54 |
| 1996 | 64 |
| 1997 | 59 |
| 1998 | 62 |
| 1999 | 65 |
| 2000 | 81 |
| 2001 | 87 |
| 2002 | 108 |
| 2003 | 93 |
| 2004 | 90 |
| 2005 | 105 |
| 2006 | 102 |
| 2007 | 116 |
| 2008 | 108 |
| 2009 | 119 |
| 2010 | 125 |
| 2011 | 139 |
| 2012 | 134 |
| 2013 | 165 |
| 2014 | 155 |
| 2015 | 146 |
| 2016 | 146 |
| 2017 | 137 |
| 2018 | 153 |
| 2019 | 180 |
| 2020 | 161 |
| 2021 | 180 |
| 2022 | 173 |
| 2023 | 139 |
| 2024 | 2 |