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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 12 |
| 1966 | 36 |
| 1967 | 55 |
| 1968 | 75 |
| 1969 | 127 |
| 1970 | 145 |
| 1971 | 227 |
| 1972 | 247 |
| 1973 | 250 |
| 1974 | 316 |
| 1975 | 276 |
| 1976 | 308 |
| 1977 | 276 |
| 1978 | 280 |
| 1979 | 288 |
| 1980 | 357 |
| 1981 | 300 |
| 1982 | 351 |
| 1983 | 340 |
| 1984 | 347 |
| 1985 | 383 |
| 1986 | 385 |
| 1987 | 382 |
| 1988 | 422 |
| 1989 | 489 |
| 1990 | 494 |
| 1991 | 512 |
| 1992 | 616 |
| 1993 | 603 |
| 1994 | 652 |
| 1995 | 662 |
| 1996 | 668 |
| 1997 | 717 |
| 1998 | 752 |
| 1999 | 798 |
| 2000 | 962 |
| 2001 | 921 |
| 2002 | 963 |
| 2003 | 1057 |
| 2004 | 1160 |
| 2005 | 1183 |
| 2006 | 1234 |
| 2007 | 1286 |
| 2008 | 1381 |
| 2009 | 1465 |
| 2010 | 1580 |
| 2011 | 1659 |
| 2012 | 1423 |
| 2013 | 1417 |
| 2014 | 1271 |
| 2015 | 1257 |
| 2016 | 1184 |
| 2017 | 1164 |
| 2018 | 1112 |
| 2019 | 1199 |
| 2020 | 1209 |
| 2021 | 1059 |
| 2022 | 874 |
| 2023 | 665 |
| 2024 | 182 |