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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1842 | 3 |
| 1843 | 1 |
| 1848 | 1 |
| 1850 | 1 |
| 1852 | 1 |
| 1854 | 2 |
| 1855 | 1 |
| 1856 | 1 |
| 1863 | 1 |
| 1865 | 1 |
| 1868 | 1 |
| 1873 | 1 |
| 1880 | 1 |
| 1883 | 1 |
| 1886 | 1 |
| 1888 | 1 |
| 1891 | 1 |
| 1894 | 1 |
| 1899 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1903 | 1 |
| 1910 | 1 |
| 1928 | 1 |
| 1933 | 1 |
| 1938 | 1 |
| 1942 | 2 |
| 1945 | 2 |
| 1946 | 2 |
| 1947 | 13 |
| 1948 | 2 |
| 1949 | 3 |
| 1950 | 3 |
| 1951 | 9 |
| 1952 | 6 |
| 1953 | 11 |
| 1954 | 6 |
| 1955 | 5 |
| 1956 | 4 |
| 1957 | 9 |
| 1958 | 1 |
| 1959 | 8 |
| 1960 | 16 |
| 1961 | 16 |
| 1962 | 11 |
| 1963 | 15 |
| 1964 | 25 |
| 1965 | 17 |
| 1966 | 18 |
| 1967 | 15 |
| 1968 | 22 |
| 1969 | 13 |
| 1970 | 25 |
| 1971 | 22 |
| 1972 | 21 |
| 1973 | 23 |
| 1974 | 31 |
| 1975 | 38 |
| 1976 | 36 |
| 1977 | 30 |
| 1978 | 47 |
| 1979 | 41 |
| 1980 | 48 |
| 1981 | 44 |
| 1982 | 56 |
| 1983 | 56 |
| 1984 | 55 |
| 1985 | 54 |
| 1986 | 71 |
| 1987 | 179 |
| 1988 | 468 |
| 1989 | 515 |
| 1990 | 556 |
| 1991 | 569 |
| 1992 | 553 |
| 1993 | 554 |
| 1994 | 665 |
| 1995 | 604 |
| 1996 | 706 |
| 1997 | 713 |
| 1998 | 689 |
| 1999 | 679 |
| 2000 | 759 |
| 2001 | 688 |
| 2002 | 833 |
| 2003 | 820 |
| 2004 | 916 |
| 2005 | 1034 |
| 2006 | 1042 |
| 2007 | 1109 |
| 2008 | 1167 |
| 2009 | 1185 |
| 2010 | 1279 |
| 2011 | 1440 |
| 2012 | 1506 |
| 2013 | 1785 |
| 2014 | 2374 |
| 2015 | 2758 |
| 2016 | 2967 |
| 2017 | 3238 |
| 2018 | 3366 |
| 2019 | 3530 |
| 2020 | 4179 |
| 2021 | 4552 |
| 2022 | 4649 |
| 2023 | 4486 |
| 2024 | 4793 |
| 2025 | 1808 |