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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 3 |
| 1948 | 12 |
| 1962 | 1 |
| 1964 | 9 |
| 1965 | 80 |
| 1966 | 121 |
| 1967 | 124 |
| 1968 | 193 |
| 1969 | 174 |
| 1970 | 200 |
| 1971 | 272 |
| 1972 | 232 |
| 1973 | 291 |
| 1974 | 286 |
| 1975 | 279 |
| 1976 | 283 |
| 1977 | 268 |
| 1978 | 283 |
| 1979 | 311 |
| 1980 | 313 |
| 1981 | 366 |
| 1982 | 379 |
| 1983 | 403 |
| 1984 | 416 |
| 1985 | 462 |
| 1986 | 478 |
| 1987 | 480 |
| 1988 | 569 |
| 1989 | 631 |
| 1990 | 587 |
| 1991 | 581 |
| 1992 | 629 |
| 1993 | 579 |
| 1994 | 634 |
| 1995 | 691 |
| 1996 | 739 |
| 1997 | 731 |
| 1998 | 751 |
| 1999 | 820 |
| 2000 | 838 |
| 2001 | 850 |
| 2002 | 873 |
| 2003 | 1026 |
| 2004 | 1083 |
| 2005 | 1196 |
| 2006 | 1212 |
| 2007 | 1485 |
| 2008 | 1450 |
| 2009 | 1493 |
| 2010 | 1745 |
| 2011 | 1749 |
| 2012 | 1844 |
| 2013 | 1987 |
| 2014 | 2221 |
| 2015 | 2166 |
| 2016 | 2157 |
| 2017 | 2015 |
| 2018 | 2227 |
| 2019 | 2206 |
| 2020 | 2566 |
| 2021 | 2815 |
| 2022 | 2713 |
| 2023 | 2504 |
| 2024 | 650 |