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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1853 | 1 |
| 1892 | 2 |
| 1893 | 1 |
| 1909 | 1 |
| 1915 | 1 |
| 1917 | 2 |
| 1918 | 1 |
| 1921 | 3 |
| 1922 | 2 |
| 1923 | 6 |
| 1924 | 4 |
| 1925 | 2 |
| 1926 | 1 |
| 1928 | 2 |
| 1929 | 2 |
| 1931 | 2 |
| 1932 | 2 |
| 1933 | 2 |
| 1935 | 3 |
| 1937 | 2 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 1 |
| 1943 | 2 |
| 1944 | 3 |
| 1945 | 6 |
| 1946 | 10 |
| 1947 | 20 |
| 1948 | 7 |
| 1949 | 6 |
| 1950 | 11 |
| 1951 | 9 |
| 1952 | 7 |
| 1953 | 5 |
| 1954 | 5 |
| 1955 | 5 |
| 1956 | 6 |
| 1957 | 14 |
| 1958 | 11 |
| 1959 | 13 |
| 1960 | 9 |
| 1961 | 17 |
| 1962 | 10 |
| 1963 | 13 |
| 1964 | 15 |
| 1965 | 20 |
| 1966 | 27 |
| 1967 | 21 |
| 1968 | 10 |
| 1969 | 12 |
| 1970 | 12 |
| 1971 | 7 |
| 1972 | 11 |
| 1973 | 13 |
| 1974 | 12 |
| 1975 | 9 |
| 1976 | 13 |
| 1977 | 21 |
| 1978 | 15 |
| 1979 | 10 |
| 1980 | 15 |
| 1981 | 31 |
| 1982 | 21 |
| 1983 | 24 |
| 1984 | 24 |
| 1985 | 20 |
| 1986 | 17 |
| 1987 | 29 |
| 1988 | 29 |
| 1989 | 36 |
| 1990 | 36 |
| 1991 | 42 |
| 1992 | 32 |
| 1993 | 37 |
| 1994 | 41 |
| 1995 | 41 |
| 1996 | 42 |
| 1997 | 46 |
| 1998 | 49 |
| 1999 | 59 |
| 2000 | 55 |
| 2001 | 56 |
| 2002 | 73 |
| 2003 | 77 |
| 2004 | 69 |
| 2005 | 95 |
| 2006 | 88 |
| 2007 | 83 |
| 2008 | 91 |
| 2009 | 89 |
| 2010 | 72 |
| 2011 | 82 |
| 2012 | 93 |
| 2013 | 88 |
| 2014 | 72 |
| 2015 | 78 |
| 2016 | 103 |
| 2017 | 102 |
| 2018 | 106 |
| 2019 | 100 |
| 2020 | 120 |
| 2021 | 127 |
| 2022 | 106 |
| 2023 | 119 |
| 2024 | 123 |
| 2025 | 20 |