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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1836 | 1 |
| 1838 | 2 |
| 1839 | 1 |
| 1841 | 2 |
| 1842 | 2 |
| 1844 | 2 |
| 1845 | 1 |
| 1846 | 1 |
| 1847 | 3 |
| 1848 | 12 |
| 1849 | 3 |
| 1855 | 2 |
| 1860 | 2 |
| 1862 | 1 |
| 1865 | 1 |
| 1867 | 2 |
| 1868 | 2 |
| 1869 | 8 |
| 1870 | 7 |
| 1872 | 1 |
| 1901 | 1 |
| 1907 | 1 |
| 1910 | 1 |
| 1913 | 1 |
| 1918 | 2 |
| 1923 | 1 |
| 1926 | 2 |
| 1928 | 1 |
| 1930 | 1 |
| 1931 | 1 |
| 1933 | 1 |
| 1934 | 4 |
| 1935 | 1 |
| 1936 | 1 |
| 1937 | 2 |
| 1944 | 2 |
| 1945 | 2 |
| 1946 | 15 |
| 1947 | 16 |
| 1948 | 11 |
| 1949 | 5 |
| 1950 | 9 |
| 1951 | 7 |
| 1952 | 5 |
| 1953 | 14 |
| 1954 | 12 |
| 1955 | 5 |
| 1956 | 10 |
| 1957 | 6 |
| 1958 | 9 |
| 1959 | 6 |
| 1960 | 7 |
| 1961 | 7 |
| 1962 | 10 |
| 1963 | 11 |
| 1964 | 9 |
| 1965 | 13 |
| 1966 | 12 |
| 1967 | 14 |
| 1968 | 10 |
| 1969 | 19 |
| 1970 | 20 |
| 1971 | 33 |
| 1972 | 18 |
| 1973 | 32 |
| 1974 | 38 |
| 1975 | 36 |
| 1976 | 37 |
| 1977 | 25 |
| 1978 | 36 |
| 1979 | 40 |
| 1980 | 51 |
| 1981 | 44 |
| 1982 | 45 |
| 1983 | 45 |
| 1984 | 33 |
| 1985 | 61 |
| 1986 | 52 |
| 1987 | 60 |
| 1988 | 78 |
| 1989 | 54 |
| 1990 | 60 |
| 1991 | 69 |
| 1992 | 64 |
| 1993 | 84 |
| 1994 | 74 |
| 1995 | 95 |
| 1996 | 70 |
| 1997 | 64 |
| 1998 | 68 |
| 1999 | 82 |
| 2000 | 83 |
| 2001 | 83 |
| 2002 | 91 |
| 2003 | 86 |
| 2004 | 95 |
| 2005 | 101 |
| 2006 | 101 |
| 2007 | 128 |
| 2008 | 116 |
| 2009 | 150 |
| 2010 | 141 |
| 2011 | 165 |
| 2012 | 165 |
| 2013 | 183 |
| 2014 | 208 |
| 2015 | 194 |
| 2016 | 162 |
| 2017 | 202 |
| 2018 | 162 |
| 2019 | 183 |
| 2020 | 210 |
| 2021 | 199 |
| 2022 | 202 |
| 2023 | 176 |
| 2024 | 141 |