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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 22 |
| 1979 | 9 |
| 1980 | 16 |
| 1981 | 29 |
| 1982 | 44 |
| 1983 | 71 |
| 1984 | 62 |
| 1985 | 76 |
| 1986 | 112 |
| 1987 | 125 |
| 1988 | 149 |
| 1989 | 171 |
| 1990 | 249 |
| 1991 | 222 |
| 1992 | 243 |
| 1993 | 264 |
| 1994 | 245 |
| 1995 | 233 |
| 1996 | 249 |
| 1997 | 246 |
| 1998 | 266 |
| 1999 | 262 |
| 2000 | 281 |
| 2001 | 298 |
| 2002 | 323 |
| 2003 | 291 |
| 2004 | 322 |
| 2005 | 294 |
| 2006 | 329 |
| 2007 | 367 |
| 2008 | 325 |
| 2009 | 363 |
| 2010 | 368 |
| 2011 | 392 |
| 2012 | 384 |
| 2013 | 399 |
| 2014 | 396 |
| 2015 | 373 |
| 2016 | 340 |
| 2017 | 343 |
| 2018 | 292 |
| 2019 | 270 |
| 2020 | 264 |
| 2021 | 227 |
| 2022 | 160 |
| 2023 | 110 |
| 2024 | 78 |