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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 29 |
| 1978 | 30 |
| 1979 | 30 |
| 1980 | 36 |
| 1981 | 37 |
| 1982 | 69 |
| 1983 | 50 |
| 1984 | 48 |
| 1985 | 72 |
| 1986 | 72 |
| 1987 | 83 |
| 1988 | 80 |
| 1989 | 57 |
| 1990 | 61 |
| 1991 | 66 |
| 1992 | 81 |
| 1993 | 92 |
| 1994 | 115 |
| 1995 | 122 |
| 1996 | 132 |
| 1997 | 117 |
| 1998 | 153 |
| 1999 | 146 |
| 2000 | 172 |
| 2001 | 162 |
| 2002 | 171 |
| 2003 | 239 |
| 2004 | 311 |
| 2005 | 373 |
| 2006 | 384 |
| 2007 | 453 |
| 2008 | 461 |
| 2009 | 434 |
| 2010 | 470 |
| 2011 | 416 |
| 2012 | 478 |
| 2013 | 524 |
| 2014 | 450 |
| 2015 | 332 |
| 2016 | 383 |
| 2017 | 323 |
| 2018 | 393 |
| 2019 | 350 |
| 2020 | 371 |
| 2021 | 333 |
| 2022 | 335 |
| 2023 | 313 |
| 2024 | 273 |
| 2025 | 242 |
| 2026 | 21 |