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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1875 | 1 |
| 1903 | 1 |
| 1908 | 1 |
| 1913 | 1 |
| 1914 | 1 |
| 1916 | 1 |
| 1917 | 3 |
| 1918 | 2 |
| 1919 | 1 |
| 1920 | 4 |
| 1921 | 2 |
| 1922 | 3 |
| 1924 | 3 |
| 1925 | 1 |
| 1926 | 2 |
| 1928 | 2 |
| 1929 | 4 |
| 1930 | 3 |
| 1931 | 4 |
| 1932 | 3 |
| 1933 | 1 |
| 1934 | 3 |
| 1935 | 3 |
| 1936 | 7 |
| 1937 | 2 |
| 1938 | 4 |
| 1939 | 1 |
| 1941 | 2 |
| 1942 | 1 |
| 1944 | 3 |
| 1945 | 7 |
| 1946 | 16 |
| 1947 | 9 |
| 1948 | 12 |
| 1949 | 6 |
| 1950 | 5 |
| 1951 | 11 |
| 1952 | 7 |
| 1953 | 12 |
| 1954 | 10 |
| 1955 | 7 |
| 1956 | 10 |
| 1957 | 9 |
| 1958 | 5 |
| 1959 | 12 |
| 1960 | 6 |
| 1961 | 14 |
| 1962 | 16 |
| 1963 | 24 |
| 1964 | 25 |
| 1965 | 33 |
| 1966 | 36 |
| 1967 | 35 |
| 1968 | 48 |
| 1969 | 49 |
| 1970 | 56 |
| 1971 | 54 |
| 1972 | 60 |
| 1973 | 52 |
| 1974 | 54 |
| 1975 | 88 |
| 1976 | 99 |
| 1977 | 86 |
| 1978 | 71 |
| 1979 | 92 |
| 1980 | 103 |
| 1981 | 122 |
| 1982 | 150 |
| 1983 | 129 |
| 1984 | 170 |
| 1985 | 160 |
| 1986 | 184 |
| 1987 | 212 |
| 1988 | 178 |
| 1989 | 162 |
| 1990 | 179 |
| 1991 | 202 |
| 1992 | 220 |
| 1993 | 184 |
| 1994 | 190 |
| 1995 | 230 |
| 1996 | 213 |
| 1997 | 202 |
| 1998 | 215 |
| 1999 | 221 |
| 2000 | 239 |
| 2001 | 223 |
| 2002 | 242 |
| 2003 | 266 |
| 2004 | 254 |
| 2005 | 310 |
| 2006 | 347 |
| 2007 | 358 |
| 2008 | 389 |
| 2009 | 365 |
| 2010 | 414 |
| 2011 | 422 |
| 2012 | 441 |
| 2013 | 477 |
| 2014 | 513 |
| 2015 | 516 |
| 2016 | 582 |
| 2017 | 522 |
| 2018 | 615 |
| 2019 | 650 |
| 2020 | 661 |
| 2021 | 689 |
| 2022 | 626 |
| 2023 | 662 |
| 2024 | 518 |