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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1843 | 1 |
| 1874 | 1 |
| 1880 | 1 |
| 1887 | 1 |
| 1893 | 2 |
| 1896 | 2 |
| 1897 | 1 |
| 1898 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1903 | 1 |
| 1907 | 4 |
| 1910 | 2 |
| 1912 | 1 |
| 1915 | 1 |
| 1924 | 1 |
| 1926 | 1 |
| 1931 | 1 |
| 1932 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1939 | 1 |
| 1941 | 1 |
| 1945 | 1 |
| 1946 | 2 |
| 1947 | 4 |
| 1948 | 3 |
| 1949 | 4 |
| 1950 | 2 |
| 1951 | 7 |
| 1952 | 3 |
| 1953 | 4 |
| 1954 | 10 |
| 1955 | 16 |
| 1956 | 8 |
| 1957 | 10 |
| 1958 | 4 |
| 1959 | 8 |
| 1960 | 5 |
| 1961 | 8 |
| 1962 | 5 |
| 1963 | 11 |
| 1964 | 9 |
| 1965 | 19 |
| 1966 | 11 |
| 1967 | 21 |
| 1968 | 13 |
| 1969 | 20 |
| 1970 | 9 |
| 1971 | 16 |
| 1972 | 16 |
| 1973 | 17 |
| 1974 | 25 |
| 1975 | 36 |
| 1976 | 40 |
| 1977 | 34 |
| 1978 | 32 |
| 1979 | 42 |
| 1980 | 35 |
| 1981 | 52 |
| 1982 | 59 |
| 1983 | 51 |
| 1984 | 42 |
| 1985 | 72 |
| 1986 | 69 |
| 1987 | 81 |
| 1988 | 54 |
| 1989 | 64 |
| 1990 | 79 |
| 1991 | 58 |
| 1992 | 69 |
| 1993 | 69 |
| 1994 | 69 |
| 1995 | 97 |
| 1996 | 80 |
| 1997 | 82 |
| 1998 | 80 |
| 1999 | 74 |
| 2000 | 66 |
| 2001 | 95 |
| 2002 | 85 |
| 2003 | 93 |
| 2004 | 99 |
| 2005 | 107 |
| 2006 | 113 |
| 2007 | 136 |
| 2008 | 150 |
| 2009 | 133 |
| 2010 | 168 |
| 2011 | 175 |
| 2012 | 185 |
| 2013 | 193 |
| 2014 | 177 |
| 2015 | 190 |
| 2016 | 184 |
| 2017 | 184 |
| 2018 | 211 |
| 2019 | 224 |
| 2020 | 289 |
| 2021 | 285 |
| 2022 | 274 |
| 2023 | 292 |
| 2024 | 140 |