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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1974 | 2 |
| 1975 | 20 |
| 1976 | 23 |
| 1977 | 32 |
| 1978 | 24 |
| 1979 | 29 |
| 1980 | 22 |
| 1981 | 27 |
| 1982 | 32 |
| 1983 | 27 |
| 1984 | 29 |
| 1985 | 46 |
| 1986 | 59 |
| 1987 | 55 |
| 1988 | 60 |
| 1989 | 81 |
| 1990 | 121 |
| 1991 | 167 |
| 1992 | 165 |
| 1993 | 219 |
| 1994 | 253 |
| 1995 | 260 |
| 1996 | 251 |
| 1997 | 293 |
| 1998 | 321 |
| 1999 | 312 |
| 2000 | 310 |
| 2001 | 296 |
| 2002 | 346 |
| 2003 | 319 |
| 2004 | 332 |
| 2005 | 351 |
| 2006 | 319 |
| 2007 | 344 |
| 2008 | 374 |
| 2009 | 372 |
| 2010 | 383 |
| 2011 | 352 |
| 2012 | 428 |
| 2013 | 379 |
| 2014 | 342 |
| 2015 | 331 |
| 2016 | 331 |
| 2017 | 320 |
| 2018 | 311 |
| 2019 | 280 |
| 2020 | 210 |
| 2021 | 225 |
| 2022 | 197 |
| 2023 | 156 |
| 2024 | 69 |