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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1916 | 1 |
| 1918 | 1 |
| 1920 | 2 |
| 1921 | 2 |
| 1922 | 3 |
| 1923 | 2 |
| 1924 | 4 |
| 1925 | 3 |
| 1926 | 4 |
| 1927 | 3 |
| 1928 | 3 |
| 1929 | 2 |
| 1930 | 1 |
| 1931 | 2 |
| 1945 | 11 |
| 1946 | 7 |
| 1947 | 8 |
| 1948 | 15 |
| 1949 | 12 |
| 1950 | 20 |
| 1951 | 34 |
| 1952 | 45 |
| 1953 | 32 |
| 1954 | 37 |
| 1955 | 41 |
| 1956 | 32 |
| 1957 | 45 |
| 1958 | 27 |
| 1959 | 19 |
| 1960 | 30 |
| 1961 | 32 |
| 1962 | 34 |
| 1963 | 38 |
| 1964 | 25 |
| 1965 | 37 |
| 1966 | 31 |
| 1967 | 37 |
| 1968 | 54 |
| 1969 | 41 |
| 1970 | 46 |
| 1971 | 51 |
| 1972 | 72 |
| 1973 | 90 |
| 1974 | 107 |
| 1975 | 103 |
| 1976 | 79 |
| 1977 | 87 |
| 1978 | 138 |
| 1979 | 91 |
| 1980 | 117 |
| 1981 | 90 |
| 1982 | 87 |
| 1983 | 88 |
| 1984 | 111 |
| 1985 | 122 |
| 1986 | 137 |
| 1987 | 151 |
| 1988 | 150 |
| 1989 | 205 |
| 1990 | 192 |
| 1991 | 213 |
| 1992 | 236 |
| 1993 | 290 |
| 1994 | 247 |
| 1995 | 279 |
| 1996 | 280 |
| 1997 | 314 |
| 1998 | 303 |
| 1999 | 339 |
| 2000 | 405 |
| 2001 | 394 |
| 2002 | 490 |
| 2003 | 494 |
| 2004 | 585 |
| 2005 | 703 |
| 2006 | 761 |
| 2007 | 883 |
| 2008 | 1002 |
| 2009 | 1068 |
| 2010 | 1188 |
| 2011 | 1281 |
| 2012 | 1423 |
| 2013 | 1500 |
| 2014 | 1593 |
| 2015 | 1740 |
| 2016 | 1780 |
| 2017 | 1892 |
| 2018 | 2104 |
| 2019 | 2160 |
| 2020 | 2516 |
| 2021 | 2822 |
| 2022 | 2689 |
| 2023 | 2614 |
| 2024 | 933 |