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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1837 | 1 |
| 1843 | 1 |
| 1844 | 1 |
| 1867 | 1 |
| 1879 | 1 |
| 1890 | 1 |
| 1894 | 1 |
| 1895 | 2 |
| 1906 | 1 |
| 1911 | 1 |
| 1913 | 1 |
| 1915 | 2 |
| 1916 | 2 |
| 1917 | 1 |
| 1919 | 2 |
| 1920 | 1 |
| 1921 | 2 |
| 1922 | 1 |
| 1923 | 1 |
| 1924 | 3 |
| 1925 | 1 |
| 1927 | 1 |
| 1929 | 2 |
| 1930 | 1 |
| 1931 | 2 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 4 |
| 1935 | 3 |
| 1936 | 1 |
| 1937 | 3 |
| 1938 | 2 |
| 1939 | 2 |
| 1940 | 6 |
| 1941 | 2 |
| 1944 | 1 |
| 1945 | 5 |
| 1946 | 10 |
| 1947 | 18 |
| 1948 | 16 |
| 1949 | 14 |
| 1950 | 23 |
| 1951 | 21 |
| 1952 | 25 |
| 1953 | 21 |
| 1954 | 23 |
| 1955 | 28 |
| 1956 | 26 |
| 1957 | 25 |
| 1958 | 31 |
| 1959 | 21 |
| 1960 | 20 |
| 1961 | 26 |
| 1962 | 14 |
| 1963 | 14 |
| 1964 | 40 |
| 1965 | 38 |
| 1966 | 51 |
| 1967 | 54 |
| 1968 | 51 |
| 1969 | 48 |
| 1970 | 58 |
| 1971 | 60 |
| 1972 | 51 |
| 1973 | 64 |
| 1974 | 66 |
| 1975 | 83 |
| 1976 | 99 |
| 1977 | 104 |
| 1978 | 98 |
| 1979 | 115 |
| 1980 | 110 |
| 1981 | 118 |
| 1982 | 167 |
| 1983 | 151 |
| 1984 | 149 |
| 1985 | 162 |
| 1986 | 154 |
| 1987 | 182 |
| 1988 | 183 |
| 1989 | 208 |
| 1990 | 247 |
| 1991 | 264 |
| 1992 | 293 |
| 1993 | 286 |
| 1994 | 344 |
| 1995 | 322 |
| 1996 | 391 |
| 1997 | 349 |
| 1998 | 364 |
| 1999 | 421 |
| 2000 | 398 |
| 2001 | 456 |
| 2002 | 532 |
| 2003 | 530 |
| 2004 | 545 |
| 2005 | 617 |
| 2006 | 632 |
| 2007 | 726 |
| 2008 | 729 |
| 2009 | 897 |
| 2010 | 973 |
| 2011 | 1011 |
| 2012 | 1057 |
| 2013 | 1081 |
| 2014 | 1130 |
| 2015 | 1210 |
| 2016 | 1244 |
| 2017 | 1281 |
| 2018 | 1344 |
| 2019 | 1381 |
| 2020 | 1671 |
| 2021 | 1810 |
| 2022 | 1629 |
| 2023 | 1642 |
| 2024 | 596 |