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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 15 |
| 1966 | 31 |
| 1967 | 36 |
| 1968 | 48 |
| 1969 | 58 |
| 1970 | 57 |
| 1971 | 58 |
| 1972 | 53 |
| 1973 | 64 |
| 1974 | 56 |
| 1975 | 50 |
| 1976 | 55 |
| 1977 | 77 |
| 1978 | 127 |
| 1979 | 202 |
| 1980 | 223 |
| 1981 | 257 |
| 1982 | 295 |
| 1983 | 334 |
| 1984 | 374 |
| 1985 | 365 |
| 1986 | 353 |
| 1987 | 335 |
| 1988 | 367 |
| 1989 | 405 |
| 1990 | 424 |
| 1991 | 585 |
| 1992 | 545 |
| 1993 | 617 |
| 1994 | 583 |
| 1995 | 550 |
| 1996 | 583 |
| 1997 | 600 |
| 1998 | 661 |
| 1999 | 686 |
| 2000 | 721 |
| 2001 | 695 |
| 2002 | 653 |
| 2003 | 721 |
| 2004 | 837 |
| 2005 | 778 |
| 2006 | 828 |
| 2007 | 801 |
| 2008 | 894 |
| 2009 | 940 |
| 2010 | 1000 |
| 2011 | 1156 |
| 2012 | 1169 |
| 2013 | 1406 |
| 2014 | 1349 |
| 2015 | 1267 |
| 2016 | 1670 |
| 2017 | 1923 |
| 2018 | 1810 |
| 2019 | 1961 |
| 2020 | 1910 |
| 2021 | 1550 |
| 2022 | 1328 |
| 2023 | 1028 |
| 2024 | 453 |