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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1805 | 2 |
| 1806 | 1 |
| 1821 | 1 |
| 1822 | 1 |
| 1873 | 1 |
| 1885 | 1 |
| 1928 | 1 |
| 1929 | 3 |
| 1930 | 3 |
| 1931 | 4 |
| 1933 | 4 |
| 1935 | 7 |
| 1938 | 7 |
| 1939 | 1 |
| 1940 | 2 |
| 1947 | 2 |
| 1950 | 7 |
| 1954 | 2 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 3 |
| 1958 | 5 |
| 1959 | 8 |
| 1960 | 9 |
| 1961 | 3 |
| 1962 | 4 |
| 1963 | 5 |
| 1964 | 3 |
| 1965 | 2 |
| 1966 | 4 |
| 1967 | 2 |
| 1968 | 5 |
| 1969 | 4 |
| 1970 | 7 |
| 1971 | 1 |
| 1972 | 5 |
| 1973 | 7 |
| 1974 | 12 |
| 1975 | 12 |
| 1976 | 16 |
| 1977 | 13 |
| 1978 | 13 |
| 1979 | 25 |
| 1980 | 23 |
| 1981 | 16 |
| 1982 | 22 |
| 1983 | 24 |
| 1984 | 34 |
| 1985 | 23 |
| 1986 | 39 |
| 1987 | 27 |
| 1988 | 34 |
| 1989 | 38 |
| 1990 | 45 |
| 1991 | 54 |
| 1992 | 59 |
| 1993 | 58 |
| 1994 | 63 |
| 1995 | 74 |
| 1996 | 64 |
| 1997 | 61 |
| 1998 | 58 |
| 1999 | 64 |
| 2000 | 79 |
| 2001 | 69 |
| 2002 | 61 |
| 2003 | 57 |
| 2004 | 52 |
| 2005 | 78 |
| 2006 | 66 |
| 2007 | 91 |
| 2008 | 110 |
| 2009 | 106 |
| 2010 | 105 |
| 2011 | 143 |
| 2012 | 138 |
| 2013 | 153 |
| 2014 | 162 |
| 2015 | 169 |
| 2016 | 179 |
| 2017 | 166 |
| 2018 | 169 |
| 2019 | 180 |
| 2020 | 184 |
| 2021 | 220 |
| 2022 | 180 |
| 2023 | 184 |
| 2024 | 167 |