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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 6 |
| 1976 | 8 |
| 1977 | 12 |
| 1978 | 10 |
| 1979 | 19 |
| 1980 | 35 |
| 1981 | 32 |
| 1982 | 56 |
| 1983 | 72 |
| 1984 | 102 |
| 1985 | 142 |
| 1986 | 215 |
| 1987 | 192 |
| 1988 | 267 |
| 1989 | 390 |
| 1990 | 329 |
| 1991 | 361 |
| 1992 | 400 |
| 1993 | 428 |
| 1994 | 553 |
| 1995 | 522 |
| 1996 | 550 |
| 1997 | 559 |
| 1998 | 595 |
| 1999 | 624 |
| 2000 | 684 |
| 2001 | 786 |
| 2002 | 848 |
| 2003 | 831 |
| 2004 | 954 |
| 2005 | 1030 |
| 2006 | 1109 |
| 2007 | 1066 |
| 2008 | 1231 |
| 2009 | 1406 |
| 2010 | 1646 |
| 2011 | 1637 |
| 2012 | 1872 |
| 2013 | 1956 |
| 2014 | 1784 |
| 2015 | 1917 |
| 2016 | 2094 |
| 2017 | 2234 |
| 2018 | 2266 |
| 2019 | 2532 |
| 2020 | 2382 |
| 2021 | 2066 |
| 2022 | 2234 |
| 2023 | 2282 |
| 2024 | 1058 |