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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1976 | 1 |
| 1977 | 21 |
| 1978 | 76 |
| 1979 | 81 |
| 1980 | 120 |
| 1981 | 124 |
| 1982 | 161 |
| 1983 | 172 |
| 1984 | 205 |
| 1985 | 170 |
| 1986 | 203 |
| 1987 | 198 |
| 1988 | 194 |
| 1989 | 226 |
| 1990 | 217 |
| 1991 | 199 |
| 1992 | 162 |
| 1993 | 209 |
| 1994 | 285 |
| 1995 | 364 |
| 1996 | 432 |
| 1997 | 494 |
| 1998 | 528 |
| 1999 | 729 |
| 2000 | 923 |
| 2001 | 1121 |
| 2002 | 1138 |
| 2003 | 1319 |
| 2004 | 1283 |
| 2005 | 1279 |
| 2006 | 1161 |
| 2007 | 1060 |
| 2008 | 1026 |
| 2009 | 1016 |
| 2010 | 960 |
| 2011 | 917 |
| 2012 | 815 |
| 2013 | 719 |
| 2014 | 641 |
| 2015 | 559 |
| 2016 | 516 |
| 2017 | 456 |
| 2018 | 407 |
| 2019 | 370 |
| 2020 | 302 |
| 2021 | 325 |
| 2022 | 313 |
| 2023 | 257 |
| 2024 | 131 |