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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 1 |
| 1851 | 1 |
| 1858 | 1 |
| 1878 | 1 |
| 1893 | 2 |
| 1896 | 1 |
| 1898 | 1 |
| 1902 | 1 |
| 1907 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1927 | 1 |
| 1934 | 1 |
| 1935 | 2 |
| 1936 | 3 |
| 1938 | 4 |
| 1939 | 2 |
| 1940 | 3 |
| 1941 | 2 |
| 1942 | 3 |
| 1943 | 7 |
| 1944 | 4 |
| 1945 | 7 |
| 1946 | 15 |
| 1947 | 16 |
| 1948 | 14 |
| 1949 | 16 |
| 1950 | 12 |
| 1951 | 16 |
| 1952 | 23 |
| 1953 | 21 |
| 1954 | 15 |
| 1955 | 14 |
| 1956 | 16 |
| 1957 | 24 |
| 1958 | 17 |
| 1959 | 14 |
| 1960 | 9 |
| 1961 | 15 |
| 1962 | 8 |
| 1963 | 13 |
| 1964 | 14 |
| 1965 | 15 |
| 1966 | 12 |
| 1967 | 15 |
| 1968 | 9 |
| 1969 | 18 |
| 1970 | 17 |
| 1971 | 9 |
| 1972 | 17 |
| 1973 | 18 |
| 1974 | 20 |
| 1975 | 23 |
| 1976 | 19 |
| 1977 | 24 |
| 1978 | 33 |
| 1979 | 21 |
| 1980 | 19 |
| 1981 | 23 |
| 1982 | 23 |
| 1983 | 26 |
| 1984 | 19 |
| 1985 | 40 |
| 1986 | 41 |
| 1987 | 43 |
| 1988 | 53 |
| 1989 | 47 |
| 1990 | 53 |
| 1991 | 48 |
| 1992 | 56 |
| 1993 | 67 |
| 1994 | 67 |
| 1995 | 73 |
| 1996 | 59 |
| 1997 | 51 |
| 1998 | 55 |
| 1999 | 53 |
| 2000 | 86 |
| 2001 | 70 |
| 2002 | 63 |
| 2003 | 72 |
| 2004 | 79 |
| 2005 | 94 |
| 2006 | 117 |
| 2007 | 115 |
| 2008 | 133 |
| 2009 | 124 |
| 2010 | 130 |
| 2011 | 151 |
| 2012 | 158 |
| 2013 | 166 |
| 2014 | 156 |
| 2015 | 197 |
| 2016 | 184 |
| 2017 | 209 |
| 2018 | 191 |
| 2019 | 209 |
| 2020 | 225 |
| 2021 | 258 |
| 2022 | 223 |
| 2023 | 198 |
| 2024 | 238 |
| 2025 | 189 |