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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1878 | 2 |
| 1892 | 1 |
| 1894 | 1 |
| 1897 | 1 |
| 1898 | 1 |
| 1901 | 1 |
| 1904 | 1 |
| 1906 | 1 |
| 1908 | 2 |
| 1909 | 1 |
| 1912 | 1 |
| 1913 | 2 |
| 1914 | 1 |
| 1915 | 6 |
| 1918 | 6 |
| 1919 | 3 |
| 1920 | 5 |
| 1921 | 7 |
| 1922 | 6 |
| 1923 | 6 |
| 1924 | 6 |
| 1925 | 9 |
| 1926 | 6 |
| 1927 | 6 |
| 1928 | 7 |
| 1929 | 5 |
| 1930 | 5 |
| 1931 | 7 |
| 1932 | 4 |
| 1933 | 9 |
| 1934 | 13 |
| 1935 | 10 |
| 1936 | 10 |
| 1937 | 9 |
| 1938 | 6 |
| 1939 | 7 |
| 1940 | 6 |
| 1941 | 6 |
| 1942 | 4 |
| 1943 | 7 |
| 1944 | 7 |
| 1945 | 14 |
| 1946 | 41 |
| 1947 | 80 |
| 1948 | 84 |
| 1949 | 77 |
| 1950 | 91 |
| 1951 | 144 |
| 1952 | 178 |
| 1953 | 180 |
| 1954 | 206 |
| 1955 | 185 |
| 1956 | 210 |
| 1957 | 219 |
| 1958 | 195 |
| 1959 | 191 |
| 1960 | 226 |
| 1961 | 239 |
| 1962 | 264 |
| 1963 | 384 |
| 1964 | 471 |
| 1965 | 415 |
| 1966 | 424 |
| 1967 | 574 |
| 1968 | 638 |
| 1969 | 597 |
| 1970 | 665 |
| 1971 | 746 |
| 1972 | 804 |
| 1973 | 792 |
| 1974 | 668 |
| 1975 | 1950 |
| 1976 | 2161 |
| 1977 | 2018 |
| 1978 | 2068 |
| 1979 | 2274 |
| 1980 | 2634 |
| 1981 | 2852 |
| 1982 | 3105 |
| 1983 | 3652 |
| 1984 | 4191 |
| 1985 | 4570 |
| 1986 | 4804 |
| 1987 | 4962 |
| 1988 | 5119 |
| 1989 | 5962 |
| 1990 | 6314 |
| 1991 | 6438 |
| 1992 | 6624 |
| 1993 | 6951 |
| 1994 | 6988 |
| 1995 | 7229 |
| 1996 | 7519 |
| 1997 | 7717 |
| 1998 | 7577 |
| 1999 | 7574 |
| 2000 | 7894 |
| 2001 | 7899 |
| 2002 | 7757 |
| 2003 | 7959 |
| 2004 | 8551 |
| 2005 | 8892 |
| 2006 | 9211 |
| 2007 | 9642 |
| 2008 | 9757 |
| 2009 | 10017 |
| 2010 | 10331 |
| 2011 | 10808 |
| 2012 | 11334 |
| 2013 | 11779 |
| 2014 | 11543 |
| 2015 | 11559 |
| 2016 | 11411 |
| 2017 | 11223 |
| 2018 | 11367 |
| 2019 | 11229 |
| 2020 | 12028 |
| 2021 | 12506 |
| 2022 | 12017 |
| 2023 | 11333 |
| 2024 | 11281 |
| 2025 | 10161 |
| 2026 | 20 |