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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1877 | 1 |
| 1888 | 1 |
| 1893 | 4 |
| 1896 | 1 |
| 1897 | 1 |
| 1900 | 1 |
| 1901 | 1 |
| 1906 | 1 |
| 1908 | 1 |
| 1909 | 2 |
| 1910 | 1 |
| 1911 | 1 |
| 1913 | 3 |
| 1915 | 1 |
| 1916 | 1 |
| 1917 | 2 |
| 1918 | 1 |
| 1919 | 1 |
| 1922 | 3 |
| 1925 | 1 |
| 1926 | 1 |
| 1928 | 1 |
| 1931 | 1 |
| 1932 | 1 |
| 1933 | 2 |
| 1934 | 1 |
| 1935 | 1 |
| 1936 | 1 |
| 1940 | 1 |
| 1941 | 1 |
| 1942 | 1 |
| 1944 | 2 |
| 1945 | 1 |
| 1946 | 6 |
| 1947 | 7 |
| 1948 | 5 |
| 1949 | 9 |
| 1950 | 4 |
| 1951 | 8 |
| 1952 | 6 |
| 1953 | 8 |
| 1954 | 9 |
| 1955 | 5 |
| 1956 | 8 |
| 1957 | 2 |
| 1958 | 11 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 10 |
| 1962 | 6 |
| 1963 | 9 |
| 1964 | 17 |
| 1965 | 15 |
| 1966 | 11 |
| 1967 | 24 |
| 1968 | 26 |
| 1969 | 6 |
| 1970 | 7 |
| 1971 | 10 |
| 1972 | 11 |
| 1973 | 19 |
| 1974 | 16 |
| 1975 | 26 |
| 1976 | 25 |
| 1977 | 28 |
| 1978 | 21 |
| 1979 | 34 |
| 1980 | 25 |
| 1981 | 28 |
| 1982 | 33 |
| 1983 | 32 |
| 1984 | 40 |
| 1985 | 53 |
| 1986 | 53 |
| 1987 | 53 |
| 1988 | 56 |
| 1989 | 70 |
| 1990 | 62 |
| 1991 | 56 |
| 1992 | 70 |
| 1993 | 58 |
| 1994 | 60 |
| 1995 | 67 |
| 1996 | 76 |
| 1997 | 86 |
| 1998 | 74 |
| 1999 | 89 |
| 2000 | 89 |
| 2001 | 94 |
| 2002 | 100 |
| 2003 | 99 |
| 2004 | 119 |
| 2005 | 135 |
| 2006 | 151 |
| 2007 | 197 |
| 2008 | 213 |
| 2009 | 220 |
| 2010 | 235 |
| 2011 | 277 |
| 2012 | 310 |
| 2013 | 257 |
| 2014 | 272 |
| 2015 | 294 |
| 2016 | 298 |
| 2017 | 297 |
| 2018 | 418 |
| 2019 | 496 |
| 2020 | 540 |
| 2021 | 606 |
| 2022 | 639 |
| 2023 | 268 |