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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1800 | 1 |
| 1827 | 1 |
| 1842 | 2 |
| 1844 | 1 |
| 1872 | 1 |
| 1886 | 1 |
| 1917 | 1 |
| 1927 | 4 |
| 1929 | 2 |
| 1930 | 1 |
| 1932 | 1 |
| 1933 | 3 |
| 1935 | 1 |
| 1938 | 2 |
| 1939 | 1 |
| 1943 | 1 |
| 1944 | 1 |
| 1946 | 7 |
| 1947 | 9 |
| 1948 | 12 |
| 1949 | 9 |
| 1950 | 33 |
| 1951 | 28 |
| 1952 | 23 |
| 1953 | 19 |
| 1954 | 29 |
| 1955 | 37 |
| 1956 | 16 |
| 1957 | 18 |
| 1958 | 23 |
| 1959 | 11 |
| 1960 | 27 |
| 1961 | 29 |
| 1962 | 40 |
| 1963 | 25 |
| 1964 | 24 |
| 1965 | 43 |
| 1966 | 24 |
| 1967 | 41 |
| 1968 | 45 |
| 1969 | 41 |
| 1970 | 52 |
| 1971 | 35 |
| 1972 | 34 |
| 1973 | 39 |
| 1974 | 42 |
| 1975 | 41 |
| 1976 | 51 |
| 1977 | 41 |
| 1978 | 49 |
| 1979 | 42 |
| 1980 | 64 |
| 1981 | 60 |
| 1982 | 68 |
| 1983 | 69 |
| 1984 | 69 |
| 1985 | 83 |
| 1986 | 95 |
| 1987 | 74 |
| 1988 | 85 |
| 1989 | 103 |
| 1990 | 83 |
| 1991 | 81 |
| 1992 | 71 |
| 1993 | 99 |
| 1994 | 96 |
| 1995 | 92 |
| 1996 | 88 |
| 1997 | 76 |
| 1998 | 82 |
| 1999 | 86 |
| 2000 | 86 |
| 2001 | 98 |
| 2002 | 105 |
| 2003 | 97 |
| 2004 | 102 |
| 2005 | 99 |
| 2006 | 114 |
| 2007 | 137 |
| 2008 | 155 |
| 2009 | 164 |
| 2010 | 149 |
| 2011 | 156 |
| 2012 | 186 |
| 2013 | 214 |
| 2014 | 252 |
| 2015 | 252 |
| 2016 | 249 |
| 2017 | 236 |
| 2018 | 218 |
| 2019 | 216 |
| 2020 | 215 |
| 2021 | 248 |
| 2022 | 218 |
| 2023 | 213 |
| 2024 | 61 |