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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1803 | 1 |
| 1809 | 1 |
| 1817 | 1 |
| 1831 | 1 |
| 1832 | 1 |
| 1923 | 2 |
| 1924 | 2 |
| 1926 | 1 |
| 1927 | 2 |
| 1929 | 1 |
| 1930 | 2 |
| 1933 | 1 |
| 1945 | 1 |
| 1948 | 1 |
| 1949 | 3 |
| 1950 | 1 |
| 1951 | 1 |
| 1953 | 4 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 3 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 5 |
| 1964 | 4 |
| 1965 | 1 |
| 1966 | 4 |
| 1967 | 1 |
| 1968 | 7 |
| 1969 | 4 |
| 1970 | 16 |
| 1971 | 9 |
| 1972 | 20 |
| 1973 | 19 |
| 1974 | 12 |
| 1975 | 22 |
| 1976 | 15 |
| 1977 | 15 |
| 1978 | 30 |
| 1979 | 35 |
| 1980 | 32 |
| 1981 | 34 |
| 1982 | 32 |
| 1983 | 39 |
| 1984 | 29 |
| 1985 | 34 |
| 1986 | 50 |
| 1987 | 59 |
| 1988 | 73 |
| 1989 | 73 |
| 1990 | 50 |
| 1991 | 56 |
| 1992 | 55 |
| 1993 | 67 |
| 1994 | 54 |
| 1995 | 66 |
| 1996 | 58 |
| 1997 | 67 |
| 1998 | 65 |
| 1999 | 63 |
| 2000 | 54 |
| 2001 | 56 |
| 2002 | 43 |
| 2003 | 72 |
| 2004 | 49 |
| 2005 | 80 |
| 2006 | 84 |
| 2007 | 87 |
| 2008 | 77 |
| 2009 | 77 |
| 2010 | 94 |
| 2011 | 121 |
| 2012 | 132 |
| 2013 | 118 |
| 2014 | 125 |
| 2015 | 153 |
| 2016 | 169 |
| 2017 | 207 |
| 2018 | 192 |
| 2019 | 207 |
| 2020 | 208 |
| 2021 | 215 |
| 2022 | 207 |
| 2023 | 139 |