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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1828 | 1 |
| 1880 | 2 |
| 1884 | 1 |
| 1886 | 1 |
| 1887 | 4 |
| 1888 | 3 |
| 1890 | 2 |
| 1891 | 1 |
| 1894 | 2 |
| 1897 | 3 |
| 1898 | 1 |
| 1899 | 2 |
| 1901 | 1 |
| 1902 | 1 |
| 1903 | 3 |
| 1904 | 2 |
| 1905 | 2 |
| 1907 | 2 |
| 1910 | 3 |
| 1911 | 3 |
| 1912 | 4 |
| 1914 | 9 |
| 1916 | 1 |
| 1917 | 2 |
| 1921 | 1 |
| 1922 | 3 |
| 1923 | 2 |
| 1924 | 1 |
| 1925 | 2 |
| 1926 | 5 |
| 1927 | 4 |
| 1928 | 3 |
| 1929 | 4 |
| 1930 | 6 |
| 1931 | 3 |
| 1932 | 1 |
| 1933 | 5 |
| 1934 | 4 |
| 1935 | 1 |
| 1936 | 1 |
| 1937 | 1 |
| 1938 | 1 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1943 | 6 |
| 1944 | 1 |
| 1945 | 7 |
| 1946 | 32 |
| 1947 | 20 |
| 1948 | 23 |
| 1949 | 29 |
| 1950 | 38 |
| 1951 | 36 |
| 1952 | 33 |
| 1953 | 51 |
| 1954 | 19 |
| 1955 | 34 |
| 1956 | 32 |
| 1957 | 31 |
| 1958 | 28 |
| 1959 | 40 |
| 1960 | 35 |
| 1961 | 38 |
| 1962 | 47 |
| 1963 | 59 |
| 1964 | 71 |
| 1965 | 72 |
| 1966 | 79 |
| 1967 | 86 |
| 1968 | 88 |
| 1969 | 89 |
| 1970 | 102 |
| 1971 | 112 |
| 1972 | 105 |
| 1973 | 121 |
| 1974 | 83 |
| 1975 | 111 |
| 1976 | 142 |
| 1977 | 135 |
| 1978 | 164 |
| 1979 | 169 |
| 1980 | 164 |
| 1981 | 163 |
| 1982 | 162 |
| 1983 | 179 |
| 1984 | 233 |
| 1985 | 253 |
| 1986 | 240 |
| 1987 | 301 |
| 1988 | 301 |
| 1989 | 313 |
| 1990 | 294 |
| 1991 | 339 |
| 1992 | 365 |
| 1993 | 373 |
| 1994 | 407 |
| 1995 | 435 |
| 1996 | 428 |
| 1997 | 417 |
| 1998 | 426 |
| 1999 | 396 |
| 2000 | 493 |
| 2001 | 438 |
| 2002 | 420 |
| 2003 | 464 |
| 2004 | 437 |
| 2005 | 543 |
| 2006 | 564 |
| 2007 | 577 |
| 2008 | 661 |
| 2009 | 641 |
| 2010 | 715 |
| 2011 | 829 |
| 2012 | 838 |
| 2013 | 871 |
| 2014 | 895 |
| 2015 | 964 |
| 2016 | 1052 |
| 2017 | 1034 |
| 2018 | 1074 |
| 2019 | 1055 |
| 2020 | 1241 |
| 2021 | 1375 |
| 2022 | 1245 |
| 2023 | 1220 |
| 2024 | 468 |