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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1826 | 1 |
| 1876 | 1 |
| 1890 | 1 |
| 1912 | 1 |
| 1927 | 2 |
| 1930 | 2 |
| 1931 | 1 |
| 1932 | 1 |
| 1936 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1944 | 1 |
| 1945 | 2 |
| 1946 | 2 |
| 1947 | 4 |
| 1948 | 2 |
| 1949 | 4 |
| 1950 | 5 |
| 1951 | 7 |
| 1952 | 3 |
| 1953 | 5 |
| 1954 | 5 |
| 1955 | 9 |
| 1956 | 2 |
| 1957 | 3 |
| 1958 | 5 |
| 1959 | 8 |
| 1960 | 3 |
| 1961 | 3 |
| 1962 | 8 |
| 1963 | 9 |
| 1964 | 15 |
| 1965 | 16 |
| 1966 | 19 |
| 1967 | 20 |
| 1968 | 14 |
| 1969 | 12 |
| 1970 | 20 |
| 1971 | 22 |
| 1972 | 14 |
| 1973 | 13 |
| 1974 | 26 |
| 1975 | 33 |
| 1976 | 19 |
| 1977 | 19 |
| 1978 | 29 |
| 1979 | 27 |
| 1980 | 40 |
| 1981 | 23 |
| 1982 | 40 |
| 1983 | 43 |
| 1984 | 23 |
| 1985 | 32 |
| 1986 | 22 |
| 1987 | 50 |
| 1988 | 83 |
| 1989 | 60 |
| 1990 | 83 |
| 1991 | 72 |
| 1992 | 80 |
| 1993 | 86 |
| 1994 | 83 |
| 1995 | 69 |
| 1996 | 67 |
| 1997 | 71 |
| 1998 | 102 |
| 1999 | 128 |
| 2000 | 138 |
| 2001 | 157 |
| 2002 | 169 |
| 2003 | 167 |
| 2004 | 184 |
| 2005 | 195 |
| 2006 | 195 |
| 2007 | 215 |
| 2008 | 216 |
| 2009 | 211 |
| 2010 | 272 |
| 2011 | 290 |
| 2012 | 297 |
| 2013 | 345 |
| 2014 | 471 |
| 2015 | 601 |
| 2016 | 611 |
| 2017 | 611 |
| 2018 | 636 |
| 2019 | 664 |
| 2020 | 715 |
| 2021 | 705 |
| 2022 | 628 |
| 2023 | 606 |
| 2024 | 637 |
| 2025 | 515 |