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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 2 |
| 1966 | 3 |
| 1967 | 3 |
| 1968 | 2 |
| 1969 | 1 |
| 1970 | 3 |
| 1971 | 2 |
| 1972 | 4 |
| 1973 | 4 |
| 1974 | 39 |
| 1975 | 245 |
| 1976 | 455 |
| 1977 | 403 |
| 1978 | 453 |
| 1979 | 524 |
| 1980 | 650 |
| 1981 | 648 |
| 1982 | 758 |
| 1983 | 681 |
| 1984 | 843 |
| 1985 | 1049 |
| 1986 | 1227 |
| 1987 | 1223 |
| 1988 | 1341 |
| 1989 | 1492 |
| 1990 | 1850 |
| 1991 | 1937 |
| 1992 | 1934 |
| 1993 | 2023 |
| 1994 | 2320 |
| 1995 | 2313 |
| 1996 | 2282 |
| 1997 | 2280 |
| 1998 | 2373 |
| 1999 | 2373 |
| 2000 | 2610 |
| 2001 | 2917 |
| 2002 | 3413 |
| 2003 | 4192 |
| 2004 | 4455 |
| 2005 | 4629 |
| 2006 | 4452 |
| 2007 | 4539 |
| 2008 | 4453 |
| 2009 | 4399 |
| 2010 | 4365 |
| 2011 | 3923 |
| 2012 | 3912 |
| 2013 | 3885 |
| 2014 | 3826 |
| 2015 | 3856 |
| 2016 | 3430 |
| 2017 | 3380 |
| 2018 | 3121 |
| 2019 | 2850 |
| 2020 | 2203 |
| 2021 | 1243 |
| 2022 | 176 |
| 2023 | 63 |
| 2024 | 74 |