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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 46 |
| 1971 | 50 |
| 1972 | 54 |
| 1973 | 58 |
| 1974 | 64 |
| 1975 | 59 |
| 1976 | 56 |
| 1977 | 102 |
| 1978 | 93 |
| 1979 | 71 |
| 1980 | 83 |
| 1981 | 94 |
| 1982 | 77 |
| 1983 | 76 |
| 1984 | 85 |
| 1985 | 83 |
| 1986 | 92 |
| 1987 | 89 |
| 1988 | 89 |
| 1989 | 131 |
| 1990 | 114 |
| 1991 | 96 |
| 1992 | 92 |
| 1993 | 111 |
| 1994 | 122 |
| 1995 | 118 |
| 1996 | 124 |
| 1997 | 157 |
| 1998 | 129 |
| 1999 | 138 |
| 2000 | 160 |
| 2001 | 141 |
| 2002 | 235 |
| 2003 | 180 |
| 2004 | 195 |
| 2005 | 316 |
| 2006 | 433 |
| 2007 | 473 |
| 2008 | 491 |
| 2009 | 486 |
| 2010 | 561 |
| 2011 | 498 |
| 2012 | 452 |
| 2013 | 385 |
| 2014 | 438 |
| 2015 | 486 |
| 2016 | 467 |
| 2017 | 469 |
| 2018 | 460 |
| 2019 | 411 |
| 2020 | 381 |
| 2021 | 321 |
| 2022 | 256 |
| 2023 | 230 |
| 2024 | 187 |
| 2025 | 201 |
| 2026 | 148 |