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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1967 | 2 |
| 1970 | 3 |
| 1972 | 1 |
| 1974 | 1 |
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 1 |
| 1978 | 26 |
| 1979 | 73 |
| 1980 | 114 |
| 1981 | 133 |
| 1982 | 161 |
| 1983 | 209 |
| 1984 | 244 |
| 1985 | 273 |
| 1986 | 375 |
| 1987 | 335 |
| 1988 | 311 |
| 1989 | 344 |
| 1990 | 375 |
| 1991 | 399 |
| 1992 | 472 |
| 1993 | 398 |
| 1994 | 406 |
| 1995 | 407 |
| 1996 | 491 |
| 1997 | 489 |
| 1998 | 429 |
| 1999 | 398 |
| 2000 | 364 |
| 2001 | 460 |
| 2002 | 422 |
| 2003 | 365 |
| 2004 | 360 |
| 2005 | 443 |
| 2006 | 489 |
| 2007 | 614 |
| 2008 | 603 |
| 2009 | 660 |
| 2010 | 708 |
| 2011 | 944 |
| 2012 | 1047 |
| 2013 | 1131 |
| 2014 | 1041 |
| 2015 | 1107 |
| 2016 | 1045 |
| 2017 | 992 |
| 2018 | 1095 |
| 2019 | 1174 |
| 2020 | 1361 |
| 2021 | 1988 |
| 2022 | 512 |
| 2023 | 102 |
| 2024 | 1889 |
| 2025 | 1407 |