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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1822 | 1 |
| 1827 | 1 |
| 1857 | 2 |
| 1858 | 1 |
| 1862 | 1 |
| 1873 | 1 |
| 1886 | 1 |
| 1897 | 1 |
| 1900 | 1 |
| 1910 | 1 |
| 1919 | 2 |
| 1920 | 2 |
| 1921 | 1 |
| 1922 | 6 |
| 1923 | 3 |
| 1924 | 7 |
| 1925 | 6 |
| 1927 | 3 |
| 1929 | 2 |
| 1930 | 1 |
| 1931 | 3 |
| 1932 | 2 |
| 1933 | 4 |
| 1934 | 2 |
| 1935 | 6 |
| 1936 | 5 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 4 |
| 1940 | 1 |
| 1941 | 3 |
| 1942 | 2 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 3 |
| 1946 | 14 |
| 1947 | 5 |
| 1948 | 3 |
| 1949 | 4 |
| 1950 | 8 |
| 1951 | 14 |
| 1952 | 5 |
| 1953 | 14 |
| 1954 | 14 |
| 1955 | 8 |
| 1956 | 4 |
| 1957 | 6 |
| 1958 | 9 |
| 1959 | 5 |
| 1960 | 8 |
| 1961 | 14 |
| 1962 | 8 |
| 1963 | 17 |
| 1964 | 26 |
| 1965 | 19 |
| 1966 | 30 |
| 1967 | 25 |
| 1968 | 29 |
| 1969 | 27 |
| 1970 | 29 |
| 1971 | 36 |
| 1972 | 25 |
| 1973 | 36 |
| 1974 | 33 |
| 1975 | 42 |
| 1976 | 56 |
| 1977 | 34 |
| 1978 | 47 |
| 1979 | 56 |
| 1980 | 43 |
| 1981 | 41 |
| 1982 | 53 |
| 1983 | 49 |
| 1984 | 59 |
| 1985 | 54 |
| 1986 | 78 |
| 1987 | 92 |
| 1988 | 83 |
| 1989 | 100 |
| 1990 | 103 |
| 1991 | 105 |
| 1992 | 88 |
| 1993 | 97 |
| 1994 | 91 |
| 1995 | 92 |
| 1996 | 100 |
| 1997 | 99 |
| 1998 | 105 |
| 1999 | 101 |
| 2000 | 83 |
| 2001 | 115 |
| 2002 | 106 |
| 2003 | 110 |
| 2004 | 114 |
| 2005 | 120 |
| 2006 | 132 |
| 2007 | 132 |
| 2008 | 131 |
| 2009 | 130 |
| 2010 | 142 |
| 2011 | 153 |
| 2012 | 170 |
| 2013 | 187 |
| 2014 | 165 |
| 2015 | 160 |
| 2016 | 203 |
| 2017 | 209 |
| 2018 | 233 |
| 2019 | 228 |
| 2020 | 205 |
| 2021 | 238 |
| 2022 | 216 |
| 2023 | 223 |
| 2024 | 221 |
| 2025 | 161 |