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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1906 | 1 |
| 1908 | 1 |
| 1910 | 2 |
| 1911 | 6 |
| 1912 | 1 |
| 1913 | 3 |
| 1914 | 2 |
| 1915 | 2 |
| 1916 | 9 |
| 1917 | 12 |
| 1918 | 6 |
| 1919 | 13 |
| 1920 | 20 |
| 1921 | 14 |
| 1922 | 9 |
| 1923 | 14 |
| 1924 | 8 |
| 1925 | 14 |
| 1926 | 18 |
| 1927 | 13 |
| 1928 | 21 |
| 1929 | 19 |
| 1930 | 25 |
| 1931 | 26 |
| 1932 | 22 |
| 1933 | 27 |
| 1934 | 27 |
| 1935 | 42 |
| 1936 | 32 |
| 1937 | 49 |
| 1938 | 33 |
| 1939 | 31 |
| 1940 | 24 |
| 1941 | 27 |
| 1942 | 20 |
| 1943 | 22 |
| 1944 | 21 |
| 1945 | 27 |
| 1946 | 97 |
| 1947 | 73 |
| 1948 | 109 |
| 1949 | 69 |
| 1950 | 78 |
| 1951 | 63 |
| 1952 | 66 |
| 1953 | 78 |
| 1954 | 86 |
| 1955 | 122 |
| 1956 | 109 |
| 1957 | 106 |
| 1958 | 116 |
| 1959 | 126 |
| 1960 | 114 |
| 1961 | 159 |
| 1962 | 134 |
| 1963 | 150 |
| 1964 | 247 |
| 1965 | 258 |
| 1966 | 276 |
| 1967 | 327 |
| 1968 | 332 |
| 1969 | 361 |
| 1970 | 379 |
| 1971 | 416 |
| 1972 | 448 |
| 1973 | 481 |
| 1974 | 549 |
| 1975 | 589 |
| 1976 | 520 |
| 1977 | 508 |
| 1978 | 497 |
| 1979 | 581 |
| 1980 | 633 |
| 1981 | 645 |
| 1982 | 621 |
| 1983 | 644 |
| 1984 | 621 |
| 1985 | 746 |
| 1986 | 759 |
| 1987 | 822 |
| 1988 | 953 |
| 1989 | 1108 |
| 1990 | 1227 |
| 1991 | 1208 |
| 1992 | 1244 |
| 1993 | 1578 |
| 1994 | 1581 |
| 1995 | 1634 |
| 1996 | 1716 |
| 1997 | 1932 |
| 1998 | 2173 |
| 1999 | 2185 |
| 2000 | 2392 |
| 2001 | 2314 |
| 2002 | 2383 |
| 2003 | 2444 |
| 2004 | 2499 |
| 2005 | 2647 |
| 2006 | 2879 |
| 2007 | 3069 |
| 2008 | 3064 |
| 2009 | 2923 |
| 2010 | 3089 |
| 2011 | 3278 |
| 2012 | 3420 |
| 2013 | 3406 |
| 2014 | 3481 |
| 2015 | 3453 |
| 2016 | 3312 |
| 2017 | 3407 |
| 2018 | 3368 |
| 2019 | 3275 |
| 2020 | 3300 |
| 2021 | 3264 |
| 2022 | 3022 |
| 2023 | 2842 |
| 2024 | 668 |