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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1802 | 1 |
| 1805 | 1 |
| 1809 | 2 |
| 1811 | 2 |
| 1813 | 1 |
| 1817 | 1 |
| 1821 | 2 |
| 1823 | 2 |
| 1827 | 1 |
| 1841 | 1 |
| 1876 | 1 |
| 1884 | 1 |
| 1885 | 1 |
| 1900 | 1 |
| 1905 | 1 |
| 1906 | 1 |
| 1909 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1941 | 2 |
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 3 |
| 1950 | 1 |
| 1951 | 3 |
| 1952 | 4 |
| 1953 | 2 |
| 1954 | 1 |
| 1955 | 1 |
| 1956 | 2 |
| 1959 | 6 |
| 1961 | 4 |
| 1962 | 2 |
| 1963 | 7 |
| 1964 | 9 |
| 1965 | 5 |
| 1966 | 7 |
| 1967 | 9 |
| 1968 | 23 |
| 1969 | 20 |
| 1970 | 18 |
| 1971 | 11 |
| 1972 | 12 |
| 1973 | 22 |
| 1974 | 20 |
| 1975 | 8 |
| 1976 | 22 |
| 1977 | 12 |
| 1978 | 16 |
| 1979 | 16 |
| 1980 | 19 |
| 1981 | 19 |
| 1982 | 24 |
| 1983 | 15 |
| 1984 | 28 |
| 1985 | 32 |
| 1986 | 23 |
| 1987 | 41 |
| 1988 | 39 |
| 1989 | 50 |
| 1990 | 37 |
| 1991 | 35 |
| 1992 | 39 |
| 1993 | 41 |
| 1994 | 52 |
| 1995 | 52 |
| 1996 | 47 |
| 1997 | 53 |
| 1998 | 51 |
| 1999 | 66 |
| 2000 | 46 |
| 2001 | 52 |
| 2002 | 70 |
| 2003 | 70 |
| 2004 | 65 |
| 2005 | 95 |
| 2006 | 81 |
| 2007 | 83 |
| 2008 | 98 |
| 2009 | 115 |
| 2010 | 91 |
| 2011 | 120 |
| 2012 | 130 |
| 2013 | 138 |
| 2014 | 153 |
| 2015 | 157 |
| 2016 | 156 |
| 2017 | 162 |
| 2018 | 132 |
| 2019 | 143 |
| 2020 | 148 |
| 2021 | 181 |
| 2022 | 142 |
| 2023 | 144 |