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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1809 | 1 |
| 1846 | 1 |
| 1848 | 3 |
| 1853 | 1 |
| 1859 | 1 |
| 1875 | 1 |
| 1885 | 1 |
| 1901 | 1 |
| 1904 | 1 |
| 1907 | 1 |
| 1913 | 2 |
| 1925 | 3 |
| 1926 | 1 |
| 1928 | 1 |
| 1932 | 2 |
| 1934 | 3 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 2 |
| 1943 | 1 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 3 |
| 1948 | 7 |
| 1949 | 3 |
| 1950 | 4 |
| 1951 | 4 |
| 1952 | 9 |
| 1953 | 2 |
| 1954 | 6 |
| 1955 | 4 |
| 1956 | 9 |
| 1957 | 6 |
| 1958 | 12 |
| 1959 | 4 |
| 1960 | 6 |
| 1961 | 6 |
| 1962 | 15 |
| 1963 | 14 |
| 1964 | 9 |
| 1965 | 21 |
| 1966 | 29 |
| 1967 | 26 |
| 1968 | 40 |
| 1969 | 29 |
| 1970 | 38 |
| 1971 | 40 |
| 1972 | 51 |
| 1973 | 50 |
| 1974 | 45 |
| 1975 | 61 |
| 1976 | 42 |
| 1977 | 48 |
| 1978 | 45 |
| 1979 | 51 |
| 1980 | 59 |
| 1981 | 60 |
| 1982 | 64 |
| 1983 | 70 |
| 1984 | 64 |
| 1985 | 78 |
| 1986 | 78 |
| 1987 | 59 |
| 1988 | 78 |
| 1989 | 74 |
| 1990 | 62 |
| 1991 | 64 |
| 1992 | 73 |
| 1993 | 83 |
| 1994 | 71 |
| 1995 | 91 |
| 1996 | 79 |
| 1997 | 55 |
| 1998 | 61 |
| 1999 | 59 |
| 2000 | 62 |
| 2001 | 70 |
| 2002 | 61 |
| 2003 | 67 |
| 2004 | 75 |
| 2005 | 82 |
| 2006 | 82 |
| 2007 | 99 |
| 2008 | 106 |
| 2009 | 114 |
| 2010 | 113 |
| 2011 | 104 |
| 2012 | 117 |
| 2013 | 126 |
| 2014 | 154 |
| 2015 | 142 |
| 2016 | 154 |
| 2017 | 160 |
| 2018 | 154 |
| 2019 | 169 |
| 2020 | 205 |
| 2021 | 217 |
| 2022 | 232 |
| 2023 | 18 |