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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1829 | 1 |
| 1830 | 1 |
| 1833 | 1 |
| 1834 | 1 |
| 1871 | 2 |
| 1888 | 2 |
| 1890 | 1 |
| 1895 | 1 |
| 1900 | 1 |
| 1902 | 1 |
| 1908 | 1 |
| 1911 | 2 |
| 1912 | 4 |
| 1913 | 2 |
| 1915 | 3 |
| 1916 | 1 |
| 1917 | 4 |
| 1918 | 2 |
| 1923 | 2 |
| 1926 | 1 |
| 1927 | 1 |
| 1928 | 1 |
| 1930 | 2 |
| 1933 | 1 |
| 1935 | 1 |
| 1946 | 6 |
| 1947 | 4 |
| 1948 | 3 |
| 1949 | 2 |
| 1950 | 4 |
| 1952 | 3 |
| 1953 | 9 |
| 1954 | 4 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 9 |
| 1958 | 6 |
| 1959 | 3 |
| 1960 | 9 |
| 1961 | 7 |
| 1962 | 4 |
| 1963 | 9 |
| 1964 | 15 |
| 1965 | 11 |
| 1966 | 7 |
| 1967 | 14 |
| 1968 | 10 |
| 1969 | 11 |
| 1970 | 19 |
| 1971 | 17 |
| 1972 | 23 |
| 1973 | 31 |
| 1974 | 28 |
| 1975 | 15 |
| 1976 | 31 |
| 1977 | 19 |
| 1978 | 19 |
| 1979 | 25 |
| 1980 | 23 |
| 1981 | 23 |
| 1982 | 37 |
| 1983 | 36 |
| 1984 | 52 |
| 1985 | 46 |
| 1986 | 55 |
| 1987 | 62 |
| 1988 | 39 |
| 1989 | 45 |
| 1990 | 74 |
| 1991 | 66 |
| 1992 | 88 |
| 1993 | 102 |
| 1994 | 93 |
| 1995 | 86 |
| 1996 | 89 |
| 1997 | 73 |
| 1998 | 73 |
| 1999 | 71 |
| 2000 | 81 |
| 2001 | 89 |
| 2002 | 101 |
| 2003 | 89 |
| 2004 | 139 |
| 2005 | 142 |
| 2006 | 157 |
| 2007 | 180 |
| 2008 | 163 |
| 2009 | 191 |
| 2010 | 205 |
| 2011 | 207 |
| 2012 | 202 |
| 2013 | 220 |
| 2014 | 231 |
| 2015 | 235 |
| 2016 | 224 |
| 2017 | 244 |
| 2018 | 207 |
| 2019 | 223 |
| 2020 | 244 |
| 2021 | 212 |
| 2022 | 170 |
| 2023 | 1 |