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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1945 | 1 |
| 1946 | 2 |
| 1947 | 2 |
| 1948 | 4 |
| 1949 | 1 |
| 1961 | 1 |
| 1966 | 2 |
| 1967 | 4 |
| 1968 | 2 |
| 1970 | 1 |
| 1971 | 2 |
| 1972 | 3 |
| 1973 | 8 |
| 1974 | 114 |
| 1975 | 250 |
| 1976 | 325 |
| 1977 | 327 |
| 1978 | 413 |
| 1979 | 362 |
| 1980 | 443 |
| 1981 | 394 |
| 1982 | 407 |
| 1983 | 395 |
| 1984 | 443 |
| 1985 | 393 |
| 1986 | 349 |
| 1987 | 394 |
| 1988 | 388 |
| 1989 | 418 |
| 1990 | 497 |
| 1991 | 620 |
| 1992 | 520 |
| 1993 | 624 |
| 1994 | 625 |
| 1995 | 564 |
| 1996 | 671 |
| 1997 | 622 |
| 1998 | 674 |
| 1999 | 686 |
| 2000 | 667 |
| 2001 | 711 |
| 2002 | 749 |
| 2003 | 786 |
| 2004 | 991 |
| 2005 | 1077 |
| 2006 | 1440 |
| 2007 | 1469 |
| 2008 | 1576 |
| 2009 | 1595 |
| 2010 | 1699 |
| 2011 | 1627 |
| 2012 | 1737 |
| 2013 | 2035 |
| 2014 | 2142 |
| 2015 | 2055 |
| 2016 | 2050 |
| 2017 | 2219 |
| 2018 | 2282 |
| 2019 | 2149 |
| 2020 | 1536 |
| 2021 | 915 |
| 2022 | 938 |
| 2023 | 858 |
| 2024 | 2656 |
| 2025 | 1675 |