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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 1 |
| 1879 | 2 |
| 1882 | 1 |
| 1887 | 1 |
| 1892 | 2 |
| 1897 | 1 |
| 1898 | 2 |
| 1903 | 1 |
| 1904 | 1 |
| 1906 | 1 |
| 1908 | 4 |
| 1909 | 2 |
| 1911 | 4 |
| 1912 | 4 |
| 1913 | 3 |
| 1914 | 1 |
| 1915 | 4 |
| 1916 | 1 |
| 1917 | 3 |
| 1918 | 3 |
| 1920 | 3 |
| 1921 | 6 |
| 1922 | 2 |
| 1923 | 4 |
| 1924 | 6 |
| 1925 | 3 |
| 1926 | 3 |
| 1927 | 1 |
| 1928 | 4 |
| 1929 | 6 |
| 1930 | 1 |
| 1931 | 3 |
| 1932 | 4 |
| 1933 | 5 |
| 1934 | 2 |
| 1935 | 3 |
| 1936 | 7 |
| 1937 | 2 |
| 1938 | 3 |
| 1939 | 2 |
| 1940 | 1 |
| 1941 | 2 |
| 1942 | 4 |
| 1943 | 1 |
| 1945 | 1 |
| 1946 | 2 |
| 1948 | 3 |
| 1949 | 5 |
| 1950 | 4 |
| 1951 | 3 |
| 1952 | 4 |
| 1953 | 3 |
| 1954 | 2 |
| 1955 | 2 |
| 1957 | 3 |
| 1958 | 10 |
| 1959 | 7 |
| 1960 | 6 |
| 1961 | 11 |
| 1962 | 8 |
| 1963 | 19 |
| 1964 | 8 |
| 1965 | 20 |
| 1966 | 14 |
| 1967 | 20 |
| 1968 | 25 |
| 1969 | 29 |
| 1970 | 34 |
| 1971 | 38 |
| 1972 | 61 |
| 1973 | 50 |
| 1974 | 59 |
| 1975 | 253 |
| 1976 | 273 |
| 1977 | 274 |
| 1978 | 266 |
| 1979 | 311 |
| 1980 | 327 |
| 1981 | 370 |
| 1982 | 387 |
| 1983 | 466 |
| 1984 | 471 |
| 1985 | 520 |
| 1986 | 567 |
| 1987 | 598 |
| 1988 | 675 |
| 1989 | 805 |
| 1990 | 855 |
| 1991 | 869 |
| 1992 | 1021 |
| 1993 | 1165 |
| 1994 | 1161 |
| 1995 | 1251 |
| 1996 | 1407 |
| 1997 | 1451 |
| 1998 | 1565 |
| 1999 | 1667 |
| 2000 | 1882 |
| 2001 | 2024 |
| 2002 | 2138 |
| 2003 | 2278 |
| 2004 | 2475 |
| 2005 | 2783 |
| 2006 | 2908 |
| 2007 | 3111 |
| 2008 | 3345 |
| 2009 | 3494 |
| 2010 | 3897 |
| 2011 | 4117 |
| 2012 | 4379 |
| 2013 | 4706 |
| 2014 | 4935 |
| 2015 | 5142 |
| 2016 | 5269 |
| 2017 | 5376 |
| 2018 | 5517 |
| 2019 | 5766 |
| 2020 | 6906 |
| 2021 | 7834 |
| 2022 | 7540 |
| 2023 | 7516 |
| 2024 | 3965 |