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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1820 | 1 |
| 1848 | 1 |
| 1866 | 2 |
| 1873 | 3 |
| 1875 | 1 |
| 1876 | 2 |
| 1877 | 1 |
| 1878 | 3 |
| 1882 | 1 |
| 1887 | 2 |
| 1888 | 1 |
| 1890 | 1 |
| 1891 | 2 |
| 1892 | 1 |
| 1893 | 4 |
| 1894 | 6 |
| 1895 | 6 |
| 1897 | 1 |
| 1900 | 3 |
| 1901 | 1 |
| 1902 | 2 |
| 1936 | 1 |
| 1946 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 5 |
| 1951 | 6 |
| 1952 | 66 |
| 1953 | 34 |
| 1954 | 4 |
| 1955 | 4 |
| 1956 | 6 |
| 1957 | 2 |
| 1958 | 3 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 2 |
| 1963 | 11 |
| 1964 | 40 |
| 1965 | 56 |
| 1966 | 5 |
| 1967 | 5 |
| 1968 | 6 |
| 1969 | 8 |
| 1970 | 5 |
| 1971 | 8 |
| 1972 | 3 |
| 1973 | 7 |
| 1974 | 9 |
| 1975 | 21 |
| 1976 | 25 |
| 1977 | 14 |
| 1978 | 15 |
| 1979 | 9 |
| 1980 | 14 |
| 1981 | 24 |
| 1982 | 30 |
| 1983 | 39 |
| 1984 | 36 |
| 1985 | 31 |
| 1986 | 29 |
| 1987 | 30 |
| 1988 | 42 |
| 1989 | 42 |
| 1990 | 41 |
| 1991 | 58 |
| 1992 | 59 |
| 1993 | 51 |
| 1994 | 45 |
| 1995 | 45 |
| 1996 | 74 |
| 1997 | 93 |
| 1998 | 73 |
| 1999 | 74 |
| 2000 | 77 |
| 2001 | 127 |
| 2002 | 170 |
| 2003 | 228 |
| 2004 | 331 |
| 2005 | 416 |
| 2006 | 530 |
| 2007 | 571 |
| 2008 | 645 |
| 2009 | 696 |
| 2010 | 685 |
| 2011 | 731 |
| 2012 | 791 |
| 2013 | 819 |
| 2014 | 810 |
| 2015 | 894 |
| 2016 | 897 |
| 2017 | 916 |
| 2018 | 1106 |
| 2019 | 1112 |
| 2020 | 1003 |
| 2021 | 1143 |
| 2022 | 1063 |
| 2023 | 989 |
| 2024 | 381 |