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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1801 | 3 |
| 1807 | 1 |
| 1876 | 1 |
| 1877 | 1 |
| 1900 | 1 |
| 1903 | 1 |
| 1904 | 1 |
| 1907 | 1 |
| 1909 | 2 |
| 1910 | 1 |
| 1914 | 2 |
| 1915 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1920 | 2 |
| 1922 | 1 |
| 1924 | 1 |
| 1928 | 2 |
| 1931 | 1 |
| 1932 | 2 |
| 1937 | 2 |
| 1938 | 1 |
| 1946 | 2 |
| 1947 | 6 |
| 1948 | 2 |
| 1949 | 4 |
| 1950 | 7 |
| 1951 | 9 |
| 1952 | 9 |
| 1953 | 10 |
| 1954 | 7 |
| 1955 | 10 |
| 1956 | 12 |
| 1957 | 12 |
| 1958 | 12 |
| 1959 | 7 |
| 1960 | 8 |
| 1961 | 9 |
| 1962 | 9 |
| 1963 | 16 |
| 1964 | 10 |
| 1965 | 3 |
| 1966 | 6 |
| 1967 | 6 |
| 1968 | 10 |
| 1969 | 19 |
| 1970 | 10 |
| 1971 | 17 |
| 1972 | 20 |
| 1973 | 27 |
| 1974 | 12 |
| 1975 | 23 |
| 1976 | 36 |
| 1977 | 30 |
| 1978 | 26 |
| 1979 | 38 |
| 1980 | 40 |
| 1981 | 46 |
| 1982 | 59 |
| 1983 | 56 |
| 1984 | 47 |
| 1985 | 63 |
| 1986 | 49 |
| 1987 | 58 |
| 1988 | 63 |
| 1989 | 54 |
| 1990 | 58 |
| 1991 | 55 |
| 1992 | 75 |
| 1993 | 55 |
| 1994 | 84 |
| 1995 | 68 |
| 1996 | 70 |
| 1997 | 78 |
| 1998 | 81 |
| 1999 | 89 |
| 2000 | 98 |
| 2001 | 92 |
| 2002 | 98 |
| 2003 | 87 |
| 2004 | 122 |
| 2005 | 94 |
| 2006 | 122 |
| 2007 | 152 |
| 2008 | 144 |
| 2009 | 143 |
| 2010 | 158 |
| 2011 | 143 |
| 2012 | 174 |
| 2013 | 153 |
| 2014 | 175 |
| 2015 | 190 |
| 2016 | 182 |
| 2017 | 175 |
| 2018 | 197 |
| 2019 | 184 |
| 2020 | 225 |
| 2021 | 263 |
| 2022 | 237 |
| 2023 | 19 |