Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1915 | 1 |
| 1925 | 1 |
| 1945 | 49 |
| 1946 | 130 |
| 1947 | 187 |
| 1948 | 167 |
| 1949 | 158 |
| 1950 | 212 |
| 1951 | 304 |
| 1952 | 465 |
| 1953 | 489 |
| 1954 | 520 |
| 1955 | 601 |
| 1956 | 551 |
| 1957 | 601 |
| 1958 | 593 |
| 1959 | 484 |
| 1960 | 431 |
| 1961 | 478 |
| 1962 | 520 |
| 1963 | 807 |
| 1964 | 1239 |
| 1965 | 1313 |
| 1966 | 1864 |
| 1967 | 2361 |
| 1968 | 2789 |
| 1969 | 3029 |
| 1970 | 3019 |
| 1971 | 3312 |
| 1972 | 3650 |
| 1973 | 3662 |
| 1974 | 3992 |
| 1975 | 3786 |
| 1976 | 3540 |
| 1977 | 3550 |
| 1978 | 3708 |
| 1979 | 4045 |
| 1980 | 3865 |
| 1981 | 4115 |
| 1982 | 4340 |
| 1983 | 4575 |
| 1984 | 4646 |
| 1985 | 4880 |
| 1986 | 4893 |
| 1987 | 4589 |
| 1988 | 5032 |
| 1989 | 5247 |
| 1990 | 5392 |
| 1991 | 5607 |
| 1992 | 5686 |
| 1993 | 6051 |
| 1994 | 5794 |
| 1995 | 6101 |
| 1996 | 5932 |
| 1997 | 6084 |
| 1998 | 6277 |
| 1999 | 6131 |
| 2000 | 6497 |
| 2001 | 6637 |
| 2002 | 6961 |
| 2003 | 7322 |
| 2004 | 7526 |
| 2005 | 8236 |
| 2006 | 8990 |
| 2007 | 9501 |
| 2008 | 10221 |
| 2009 | 10745 |
| 2010 | 11606 |
| 2011 | 12434 |
| 2012 | 12816 |
| 2013 | 13075 |
| 2014 | 13496 |
| 2015 | 13602 |
| 2016 | 14302 |
| 2017 | 14320 |
| 2018 | 13744 |
| 2019 | 7295 |
| 2020 | 255 |