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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1956 | 15 |
| 1957 | 21 |
| 1958 | 14 |
| 1959 | 27 |
| 1960 | 12 |
| 1961 | 19 |
| 1962 | 23 |
| 1963 | 1 |
| 1964 | 10 |
| 1965 | 31 |
| 1966 | 63 |
| 1967 | 96 |
| 1968 | 114 |
| 1969 | 163 |
| 1970 | 157 |
| 1971 | 172 |
| 1972 | 195 |
| 1973 | 226 |
| 1974 | 254 |
| 1975 | 259 |
| 1976 | 281 |
| 1977 | 332 |
| 1978 | 306 |
| 1979 | 351 |
| 1980 | 427 |
| 1981 | 410 |
| 1982 | 481 |
| 1983 | 510 |
| 1984 | 683 |
| 1985 | 813 |
| 1986 | 688 |
| 1987 | 762 |
| 1988 | 839 |
| 1989 | 1036 |
| 1990 | 1056 |
| 1991 | 1163 |
| 1992 | 1357 |
| 1993 | 1377 |
| 1994 | 1549 |
| 1995 | 1557 |
| 1996 | 1706 |
| 1997 | 1852 |
| 1998 | 2049 |
| 1999 | 2113 |
| 2000 | 2393 |
| 2001 | 2480 |
| 2002 | 2693 |
| 2003 | 2904 |
| 2004 | 3175 |
| 2005 | 3492 |
| 2006 | 3675 |
| 2007 | 4010 |
| 2008 | 4217 |
| 2009 | 4701 |
| 2010 | 5317 |
| 2011 | 5775 |
| 2012 | 5973 |
| 2013 | 6368 |
| 2014 | 6640 |
| 2015 | 6993 |
| 2016 | 6756 |
| 2017 | 6732 |
| 2018 | 7094 |
| 2019 | 6885 |
| 2020 | 6448 |
| 2021 | 5000 |
| 2022 | 4504 |
| 2023 | 4016 |
| 2024 | 2257 |