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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1973 | 1 |
| 1978 | 2 |
| 1979 | 6 |
| 1980 | 43 |
| 1981 | 128 |
| 1982 | 136 |
| 1983 | 170 |
| 1984 | 157 |
| 1985 | 156 |
| 1986 | 164 |
| 1987 | 184 |
| 1988 | 192 |
| 1989 | 163 |
| 1990 | 260 |
| 1991 | 322 |
| 1992 | 167 |
| 1993 | 183 |
| 1994 | 227 |
| 1995 | 262 |
| 1996 | 351 |
| 1997 | 293 |
| 1998 | 418 |
| 1999 | 421 |
| 2000 | 312 |
| 2001 | 234 |
| 2002 | 176 |
| 2003 | 228 |
| 2004 | 280 |
| 2005 | 338 |
| 2006 | 445 |
| 2007 | 486 |
| 2008 | 416 |
| 2009 | 352 |
| 2010 | 379 |
| 2011 | 356 |
| 2012 | 372 |
| 2013 | 355 |
| 2014 | 424 |
| 2015 | 492 |
| 2016 | 565 |
| 2017 | 599 |
| 2018 | 613 |
| 2019 | 609 |
| 2020 | 573 |
| 2021 | 265 |
| 2022 | 157 |
| 2023 | 163 |
| 2024 | 505 |
| 2025 | 780 |