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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1966 | 1 |
| 1973 | 1 |
| 1975 | 1 |
| 1978 | 3 |
| 1979 | 19 |
| 1980 | 94 |
| 1981 | 189 |
| 1982 | 173 |
| 1983 | 234 |
| 1984 | 202 |
| 1985 | 211 |
| 1986 | 209 |
| 1987 | 256 |
| 1988 | 247 |
| 1989 | 226 |
| 1990 | 345 |
| 1991 | 439 |
| 1992 | 260 |
| 1993 | 257 |
| 1994 | 324 |
| 1995 | 351 |
| 1996 | 454 |
| 1997 | 378 |
| 1998 | 524 |
| 1999 | 541 |
| 2000 | 415 |
| 2001 | 346 |
| 2002 | 302 |
| 2003 | 370 |
| 2004 | 427 |
| 2005 | 482 |
| 2006 | 605 |
| 2007 | 622 |
| 2008 | 551 |
| 2009 | 466 |
| 2010 | 501 |
| 2011 | 481 |
| 2012 | 543 |
| 2013 | 543 |
| 2014 | 594 |
| 2015 | 674 |
| 2016 | 734 |
| 2017 | 761 |
| 2018 | 790 |
| 2019 | 778 |
| 2020 | 780 |
| 2021 | 366 |
| 2022 | 171 |
| 2023 | 168 |
| 2024 | 563 |
| 2025 | 866 |