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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1828 | 1 |
| 1847 | 1 |
| 1849 | 1 |
| 1856 | 1 |
| 1892 | 6 |
| 1895 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1899 | 1 |
| 1912 | 1 |
| 1913 | 1 |
| 1914 | 1 |
| 1915 | 1 |
| 1917 | 2 |
| 1918 | 4 |
| 1919 | 1 |
| 1925 | 1 |
| 1927 | 1 |
| 1929 | 1 |
| 1931 | 3 |
| 1933 | 1 |
| 1934 | 1 |
| 1937 | 2 |
| 1939 | 1 |
| 1946 | 1 |
| 1948 | 4 |
| 1949 | 1 |
| 1950 | 5 |
| 1951 | 2 |
| 1952 | 6 |
| 1953 | 3 |
| 1954 | 4 |
| 1955 | 3 |
| 1956 | 1 |
| 1957 | 7 |
| 1958 | 1 |
| 1959 | 4 |
| 1960 | 1 |
| 1961 | 5 |
| 1962 | 10 |
| 1963 | 11 |
| 1964 | 8 |
| 1965 | 18 |
| 1966 | 18 |
| 1967 | 21 |
| 1968 | 19 |
| 1969 | 16 |
| 1970 | 31 |
| 1971 | 26 |
| 1972 | 19 |
| 1973 | 32 |
| 1974 | 32 |
| 1975 | 102 |
| 1976 | 128 |
| 1977 | 93 |
| 1978 | 98 |
| 1979 | 95 |
| 1980 | 96 |
| 1981 | 116 |
| 1982 | 128 |
| 1983 | 159 |
| 1984 | 193 |
| 1985 | 232 |
| 1986 | 215 |
| 1987 | 211 |
| 1988 | 268 |
| 1989 | 293 |
| 1990 | 344 |
| 1991 | 375 |
| 1992 | 362 |
| 1993 | 369 |
| 1994 | 380 |
| 1995 | 378 |
| 1996 | 444 |
| 1997 | 510 |
| 1998 | 502 |
| 1999 | 535 |
| 2000 | 599 |
| 2001 | 739 |
| 2002 | 790 |
| 2003 | 861 |
| 2004 | 909 |
| 2005 | 1021 |
| 2006 | 1116 |
| 2007 | 1218 |
| 2008 | 1282 |
| 2009 | 1393 |
| 2010 | 1453 |
| 2011 | 1700 |
| 2012 | 1824 |
| 2013 | 2032 |
| 2014 | 2695 |
| 2015 | 2977 |
| 2016 | 3108 |
| 2017 | 3232 |
| 2018 | 3469 |
| 2019 | 4037 |
| 2020 | 5220 |
| 2021 | 6003 |
| 2022 | 6631 |
| 2023 | 6581 |
| 2024 | 5710 |
| 2025 | 5 |