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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1835 | 1 |
| 1895 | 1 |
| 1896 | 1 |
| 1901 | 1 |
| 1909 | 1 |
| 1910 | 1 |
| 1917 | 1 |
| 1920 | 1 |
| 1925 | 2 |
| 1931 | 1 |
| 1938 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 1 |
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 3 |
| 1950 | 6 |
| 1951 | 4 |
| 1952 | 5 |
| 1953 | 5 |
| 1954 | 11 |
| 1955 | 8 |
| 1956 | 5 |
| 1957 | 7 |
| 1958 | 1 |
| 1959 | 6 |
| 1960 | 8 |
| 1961 | 1 |
| 1962 | 10 |
| 1963 | 10 |
| 1964 | 13 |
| 1965 | 13 |
| 1966 | 15 |
| 1967 | 8 |
| 1968 | 18 |
| 1969 | 23 |
| 1970 | 18 |
| 1971 | 20 |
| 1972 | 17 |
| 1973 | 18 |
| 1974 | 26 |
| 1975 | 37 |
| 1976 | 27 |
| 1977 | 29 |
| 1978 | 22 |
| 1979 | 22 |
| 1980 | 28 |
| 1981 | 44 |
| 1982 | 32 |
| 1983 | 31 |
| 1984 | 29 |
| 1985 | 55 |
| 1986 | 42 |
| 1987 | 57 |
| 1988 | 43 |
| 1989 | 47 |
| 1990 | 54 |
| 1991 | 41 |
| 1992 | 59 |
| 1993 | 53 |
| 1994 | 72 |
| 1995 | 66 |
| 1996 | 86 |
| 1997 | 61 |
| 1998 | 67 |
| 1999 | 69 |
| 2000 | 71 |
| 2001 | 89 |
| 2002 | 74 |
| 2003 | 88 |
| 2004 | 77 |
| 2005 | 113 |
| 2006 | 111 |
| 2007 | 117 |
| 2008 | 112 |
| 2009 | 128 |
| 2010 | 131 |
| 2011 | 162 |
| 2012 | 173 |
| 2013 | 166 |
| 2014 | 168 |
| 2015 | 146 |
| 2016 | 150 |
| 2017 | 143 |
| 2018 | 174 |
| 2019 | 143 |
| 2020 | 171 |
| 2021 | 160 |
| 2022 | 150 |
| 2023 | 114 |