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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1848 | 2 |
| 1855 | 3 |
| 1912 | 1 |
| 1917 | 1 |
| 1918 | 1 |
| 1922 | 1 |
| 1934 | 1 |
| 1937 | 1 |
| 1945 | 2 |
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 7 |
| 1950 | 6 |
| 1951 | 5 |
| 1952 | 2 |
| 1953 | 6 |
| 1954 | 2 |
| 1955 | 5 |
| 1956 | 5 |
| 1957 | 9 |
| 1958 | 13 |
| 1959 | 9 |
| 1960 | 4 |
| 1961 | 8 |
| 1962 | 6 |
| 1963 | 12 |
| 1964 | 16 |
| 1965 | 12 |
| 1966 | 22 |
| 1967 | 14 |
| 1968 | 20 |
| 1969 | 21 |
| 1970 | 38 |
| 1971 | 34 |
| 1972 | 37 |
| 1973 | 27 |
| 1974 | 37 |
| 1975 | 40 |
| 1976 | 59 |
| 1977 | 63 |
| 1978 | 63 |
| 1979 | 62 |
| 1980 | 67 |
| 1981 | 51 |
| 1982 | 70 |
| 1983 | 72 |
| 1984 | 69 |
| 1985 | 83 |
| 1986 | 69 |
| 1987 | 67 |
| 1988 | 69 |
| 1989 | 81 |
| 1990 | 80 |
| 1991 | 79 |
| 1992 | 85 |
| 1993 | 98 |
| 1994 | 103 |
| 1995 | 88 |
| 1996 | 105 |
| 1997 | 123 |
| 1998 | 102 |
| 1999 | 89 |
| 2000 | 96 |
| 2001 | 100 |
| 2002 | 104 |
| 2003 | 113 |
| 2004 | 116 |
| 2005 | 129 |
| 2006 | 144 |
| 2007 | 126 |
| 2008 | 169 |
| 2009 | 149 |
| 2010 | 172 |
| 2011 | 177 |
| 2012 | 203 |
| 2013 | 235 |
| 2014 | 235 |
| 2015 | 246 |
| 2016 | 299 |
| 2017 | 283 |
| 2018 | 304 |
| 2019 | 314 |
| 2020 | 333 |
| 2021 | 356 |
| 2022 | 373 |
| 2023 | 343 |
| 2024 | 332 |
| 2025 | 3 |