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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1872 | 2 |
| 1875 | 3 |
| 1876 | 1 |
| 1877 | 1 |
| 1879 | 1 |
| 1881 | 1 |
| 1882 | 3 |
| 1883 | 1 |
| 1884 | 3 |
| 1885 | 4 |
| 1886 | 1 |
| 1888 | 1 |
| 1891 | 4 |
| 1892 | 2 |
| 1893 | 3 |
| 1894 | 1 |
| 1895 | 1 |
| 1896 | 4 |
| 1901 | 2 |
| 1902 | 1 |
| 1903 | 2 |
| 1904 | 1 |
| 1907 | 2 |
| 1909 | 1 |
| 1910 | 2 |
| 1917 | 1 |
| 1921 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1927 | 3 |
| 1928 | 7 |
| 1929 | 2 |
| 1930 | 2 |
| 1931 | 4 |
| 1933 | 3 |
| 1934 | 2 |
| 1935 | 2 |
| 1936 | 2 |
| 1939 | 4 |
| 1940 | 5 |
| 1941 | 3 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 4 |
| 1946 | 13 |
| 1947 | 13 |
| 1948 | 4 |
| 1949 | 8 |
| 1950 | 15 |
| 1951 | 22 |
| 1952 | 15 |
| 1953 | 17 |
| 1954 | 13 |
| 1955 | 17 |
| 1956 | 16 |
| 1957 | 18 |
| 1958 | 26 |
| 1959 | 18 |
| 1960 | 10 |
| 1961 | 25 |
| 1962 | 33 |
| 1963 | 42 |
| 1964 | 46 |
| 1965 | 55 |
| 1966 | 54 |
| 1967 | 75 |
| 1968 | 50 |
| 1969 | 59 |
| 1970 | 51 |
| 1971 | 73 |
| 1972 | 80 |
| 1973 | 86 |
| 1974 | 60 |
| 1975 | 70 |
| 1976 | 90 |
| 1977 | 101 |
| 1978 | 79 |
| 1979 | 79 |
| 1980 | 68 |
| 1981 | 90 |
| 1982 | 89 |
| 1983 | 101 |
| 1984 | 98 |
| 1985 | 113 |
| 1986 | 107 |
| 1987 | 128 |
| 1988 | 140 |
| 1989 | 151 |
| 1990 | 155 |
| 1991 | 147 |
| 1992 | 203 |
| 1993 | 185 |
| 1994 | 187 |
| 1995 | 224 |
| 1996 | 227 |
| 1997 | 210 |
| 1998 | 230 |
| 1999 | 246 |
| 2000 | 242 |
| 2001 | 270 |
| 2002 | 265 |
| 2003 | 311 |
| 2004 | 390 |
| 2005 | 456 |
| 2006 | 501 |
| 2007 | 645 |
| 2008 | 675 |
| 2009 | 721 |
| 2010 | 793 |
| 2011 | 979 |
| 2012 | 1131 |
| 2013 | 1207 |
| 2014 | 1249 |
| 2015 | 1361 |
| 2016 | 1386 |
| 2017 | 1401 |
| 2018 | 1459 |
| 2019 | 1529 |
| 2020 | 1803 |
| 2021 | 2066 |
| 2022 | 2009 |
| 2023 | 559 |