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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1825 | 3 |
| 1826 | 1 |
| 1828 | 1 |
| 1833 | 1 |
| 1867 | 1 |
| 1868 | 1 |
| 1869 | 1 |
| 1877 | 1 |
| 1883 | 1 |
| 1907 | 2 |
| 1912 | 1 |
| 1926 | 1 |
| 1929 | 1 |
| 1933 | 1 |
| 1934 | 2 |
| 1935 | 3 |
| 1936 | 1 |
| 1938 | 4 |
| 1940 | 1 |
| 1943 | 1 |
| 1946 | 5 |
| 1947 | 6 |
| 1948 | 2 |
| 1949 | 7 |
| 1950 | 7 |
| 1951 | 6 |
| 1952 | 9 |
| 1953 | 7 |
| 1954 | 4 |
| 1955 | 4 |
| 1956 | 8 |
| 1957 | 9 |
| 1958 | 10 |
| 1959 | 8 |
| 1960 | 20 |
| 1961 | 7 |
| 1962 | 10 |
| 1963 | 11 |
| 1964 | 17 |
| 1965 | 16 |
| 1966 | 11 |
| 1967 | 21 |
| 1968 | 31 |
| 1969 | 38 |
| 1970 | 58 |
| 1971 | 40 |
| 1972 | 40 |
| 1973 | 39 |
| 1974 | 54 |
| 1975 | 39 |
| 1976 | 49 |
| 1977 | 62 |
| 1978 | 67 |
| 1979 | 59 |
| 1980 | 69 |
| 1981 | 63 |
| 1982 | 71 |
| 1983 | 66 |
| 1984 | 81 |
| 1985 | 80 |
| 1986 | 67 |
| 1987 | 71 |
| 1988 | 75 |
| 1989 | 73 |
| 1990 | 101 |
| 1991 | 73 |
| 1992 | 90 |
| 1993 | 91 |
| 1994 | 101 |
| 1995 | 82 |
| 1996 | 89 |
| 1997 | 94 |
| 1998 | 95 |
| 1999 | 86 |
| 2000 | 131 |
| 2001 | 112 |
| 2002 | 121 |
| 2003 | 92 |
| 2004 | 90 |
| 2005 | 108 |
| 2006 | 117 |
| 2007 | 136 |
| 2008 | 162 |
| 2009 | 169 |
| 2010 | 188 |
| 2011 | 197 |
| 2012 | 222 |
| 2013 | 239 |
| 2014 | 208 |
| 2015 | 214 |
| 2016 | 221 |
| 2017 | 199 |
| 2018 | 228 |
| 2019 | 267 |
| 2020 | 291 |
| 2021 | 300 |
| 2022 | 282 |
| 2023 | 278 |
| 2024 | 253 |
| 2025 | 239 |
| 2026 | 2 |