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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1807 | 1 |
| 1808 | 1 |
| 1810 | 2 |
| 1811 | 1 |
| 1814 | 1 |
| 1821 | 1 |
| 1835 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1850 | 1 |
| 1853 | 1 |
| 1854 | 2 |
| 1858 | 1 |
| 1872 | 1 |
| 1887 | 1 |
| 1894 | 1 |
| 1902 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1940 | 1 |
| 1942 | 1 |
| 1945 | 2 |
| 1946 | 8 |
| 1947 | 6 |
| 1948 | 7 |
| 1949 | 6 |
| 1950 | 5 |
| 1951 | 9 |
| 1952 | 13 |
| 1953 | 7 |
| 1954 | 12 |
| 1955 | 7 |
| 1956 | 12 |
| 1957 | 15 |
| 1958 | 9 |
| 1959 | 16 |
| 1960 | 9 |
| 1961 | 8 |
| 1962 | 13 |
| 1963 | 12 |
| 1964 | 10 |
| 1965 | 15 |
| 1966 | 15 |
| 1967 | 18 |
| 1968 | 15 |
| 1969 | 22 |
| 1970 | 23 |
| 1971 | 30 |
| 1972 | 22 |
| 1973 | 29 |
| 1974 | 27 |
| 1975 | 32 |
| 1976 | 30 |
| 1977 | 37 |
| 1978 | 25 |
| 1979 | 29 |
| 1980 | 27 |
| 1981 | 32 |
| 1982 | 37 |
| 1983 | 20 |
| 1984 | 34 |
| 1985 | 40 |
| 1986 | 27 |
| 1987 | 42 |
| 1988 | 28 |
| 1989 | 43 |
| 1990 | 59 |
| 1991 | 46 |
| 1992 | 64 |
| 1993 | 66 |
| 1994 | 68 |
| 1995 | 65 |
| 1996 | 51 |
| 1997 | 61 |
| 1998 | 61 |
| 1999 | 57 |
| 2000 | 63 |
| 2001 | 51 |
| 2002 | 61 |
| 2003 | 70 |
| 2004 | 73 |
| 2005 | 85 |
| 2006 | 79 |
| 2007 | 83 |
| 2008 | 87 |
| 2009 | 93 |
| 2010 | 110 |
| 2011 | 101 |
| 2012 | 121 |
| 2013 | 145 |
| 2014 | 136 |
| 2015 | 150 |
| 2016 | 183 |
| 2017 | 186 |
| 2018 | 150 |
| 2019 | 137 |
| 2020 | 153 |
| 2021 | 162 |
| 2022 | 160 |
| 2023 | 13 |