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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1975 | 2 |
| 1977 | 2 |
| 1978 | 27 |
| 1979 | 40 |
| 1980 | 64 |
| 1981 | 67 |
| 1982 | 96 |
| 1983 | 121 |
| 1984 | 145 |
| 1985 | 126 |
| 1986 | 137 |
| 1987 | 169 |
| 1988 | 166 |
| 1989 | 217 |
| 1990 | 219 |
| 1991 | 233 |
| 1992 | 242 |
| 1993 | 305 |
| 1994 | 269 |
| 1995 | 344 |
| 1996 | 268 |
| 1997 | 321 |
| 1998 | 365 |
| 1999 | 326 |
| 2000 | 382 |
| 2001 | 355 |
| 2002 | 360 |
| 2003 | 333 |
| 2004 | 326 |
| 2005 | 345 |
| 2006 | 321 |
| 2007 | 299 |
| 2008 | 296 |
| 2009 | 306 |
| 2010 | 332 |
| 2011 | 323 |
| 2012 | 382 |
| 2013 | 359 |
| 2014 | 316 |
| 2015 | 311 |
| 2016 | 284 |
| 2017 | 264 |
| 2018 | 279 |
| 2019 | 258 |
| 2020 | 240 |
| 2021 | 226 |
| 2022 | 173 |
| 2023 | 129 |
| 2024 | 27 |