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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1843 | 1 |
| 1844 | 4 |
| 1845 | 3 |
| 1846 | 7 |
| 1855 | 1 |
| 1860 | 1 |
| 1865 | 1 |
| 1871 | 2 |
| 1873 | 1 |
| 1875 | 2 |
| 1888 | 2 |
| 1891 | 1 |
| 1897 | 1 |
| 1899 | 2 |
| 1901 | 2 |
| 1908 | 1 |
| 1909 | 1 |
| 1911 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1918 | 1 |
| 1921 | 2 |
| 1924 | 5 |
| 1925 | 3 |
| 1927 | 7 |
| 1928 | 4 |
| 1929 | 2 |
| 1930 | 1 |
| 1934 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1942 | 1 |
| 1947 | 5 |
| 1948 | 1 |
| 1949 | 3 |
| 1951 | 6 |
| 1952 | 1 |
| 1953 | 1 |
| 1954 | 1 |
| 1955 | 3 |
| 1956 | 1 |
| 1957 | 1 |
| 1958 | 4 |
| 1959 | 3 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 7 |
| 1963 | 6 |
| 1964 | 14 |
| 1965 | 6 |
| 1966 | 10 |
| 1967 | 12 |
| 1968 | 8 |
| 1969 | 7 |
| 1970 | 8 |
| 1971 | 10 |
| 1972 | 15 |
| 1973 | 13 |
| 1974 | 10 |
| 1975 | 10 |
| 1976 | 11 |
| 1977 | 9 |
| 1978 | 9 |
| 1979 | 15 |
| 1980 | 17 |
| 1981 | 26 |
| 1982 | 23 |
| 1983 | 22 |
| 1984 | 29 |
| 1985 | 46 |
| 1986 | 46 |
| 1987 | 38 |
| 1988 | 41 |
| 1989 | 45 |
| 1990 | 37 |
| 1991 | 35 |
| 1992 | 37 |
| 1993 | 31 |
| 1994 | 33 |
| 1995 | 35 |
| 1996 | 37 |
| 1997 | 45 |
| 1998 | 41 |
| 1999 | 21 |
| 2000 | 40 |
| 2001 | 38 |
| 2002 | 40 |
| 2003 | 39 |
| 2004 | 48 |
| 2005 | 61 |
| 2006 | 69 |
| 2007 | 84 |
| 2008 | 70 |
| 2009 | 72 |
| 2010 | 97 |
| 2011 | 121 |
| 2012 | 90 |
| 2013 | 103 |
| 2014 | 104 |
| 2015 | 115 |
| 2016 | 114 |
| 2017 | 118 |
| 2018 | 138 |
| 2019 | 134 |
| 2020 | 149 |
| 2021 | 132 |
| 2022 | 149 |
| 2023 | 108 |
| 2024 | 54 |