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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 2 |
| 1879 | 1 |
| 1880 | 2 |
| 1897 | 1 |
| 1899 | 1 |
| 1902 | 1 |
| 1905 | 4 |
| 1908 | 1 |
| 1910 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 1 |
| 1918 | 1 |
| 1919 | 1 |
| 1923 | 2 |
| 1924 | 1 |
| 1925 | 1 |
| 1926 | 1 |
| 1929 | 1 |
| 1930 | 3 |
| 1931 | 3 |
| 1934 | 1 |
| 1935 | 2 |
| 1936 | 1 |
| 1939 | 1 |
| 1941 | 4 |
| 1942 | 1 |
| 1943 | 1 |
| 1945 | 1 |
| 1947 | 1 |
| 1948 | 1 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 1 |
| 1954 | 1 |
| 1955 | 4 |
| 1956 | 3 |
| 1957 | 2 |
| 1958 | 2 |
| 1960 | 4 |
| 1961 | 4 |
| 1962 | 4 |
| 1963 | 12 |
| 1964 | 15 |
| 1965 | 15 |
| 1966 | 18 |
| 1967 | 14 |
| 1968 | 22 |
| 1969 | 25 |
| 1970 | 27 |
| 1971 | 42 |
| 1972 | 14 |
| 1973 | 27 |
| 1974 | 19 |
| 1975 | 95 |
| 1976 | 99 |
| 1977 | 102 |
| 1978 | 97 |
| 1979 | 79 |
| 1980 | 96 |
| 1981 | 118 |
| 1982 | 109 |
| 1983 | 140 |
| 1984 | 144 |
| 1985 | 142 |
| 1986 | 157 |
| 1987 | 176 |
| 1988 | 183 |
| 1989 | 210 |
| 1990 | 223 |
| 1991 | 268 |
| 1992 | 251 |
| 1993 | 319 |
| 1994 | 319 |
| 1995 | 296 |
| 1996 | 337 |
| 1997 | 349 |
| 1998 | 344 |
| 1999 | 365 |
| 2000 | 466 |
| 2001 | 536 |
| 2002 | 556 |
| 2003 | 607 |
| 2004 | 593 |
| 2005 | 610 |
| 2006 | 753 |
| 2007 | 771 |
| 2008 | 977 |
| 2009 | 1001 |
| 2010 | 1052 |
| 2011 | 1148 |
| 2012 | 1325 |
| 2013 | 1512 |
| 2014 | 1975 |
| 2015 | 2106 |
| 2016 | 2286 |
| 2017 | 2238 |
| 2018 | 2469 |
| 2019 | 2496 |
| 2020 | 2983 |
| 2021 | 3515 |
| 2022 | 3642 |
| 2023 | 1734 |