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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1965 | 1 |
| 1967 | 2 |
| 1974 | 2 |
| 1975 | 12 |
| 1976 | 18 |
| 1977 | 24 |
| 1978 | 22 |
| 1979 | 33 |
| 1980 | 16 |
| 1981 | 31 |
| 1982 | 32 |
| 1983 | 41 |
| 1984 | 34 |
| 1985 | 32 |
| 1986 | 134 |
| 1987 | 283 |
| 1988 | 319 |
| 1989 | 352 |
| 1990 | 398 |
| 1991 | 413 |
| 1992 | 452 |
| 1993 | 543 |
| 1994 | 474 |
| 1995 | 713 |
| 1996 | 867 |
| 1997 | 885 |
| 1998 | 975 |
| 1999 | 977 |
| 2000 | 1046 |
| 2001 | 1269 |
| 2002 | 1339 |
| 2003 | 1263 |
| 2004 | 1354 |
| 2005 | 1574 |
| 2006 | 1443 |
| 2007 | 1409 |
| 2008 | 1323 |
| 2009 | 1372 |
| 2010 | 1329 |
| 2011 | 1360 |
| 2012 | 1384 |
| 2013 | 1473 |
| 2014 | 1353 |
| 2015 | 1390 |
| 2016 | 1187 |
| 2017 | 1124 |
| 2018 | 1192 |
| 2019 | 1101 |
| 2020 | 957 |
| 2021 | 629 |
| 2022 | 184 |
| 2023 | 118 |
| 2024 | 65 |