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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1977 | 6 |
| 1978 | 19 |
| 1979 | 10 |
| 1980 | 38 |
| 1981 | 67 |
| 1982 | 111 |
| 1983 | 142 |
| 1984 | 180 |
| 1985 | 234 |
| 1986 | 254 |
| 1987 | 315 |
| 1988 | 449 |
| 1989 | 558 |
| 1990 | 719 |
| 1991 | 852 |
| 1992 | 892 |
| 1993 | 1023 |
| 1994 | 1016 |
| 1995 | 1083 |
| 1996 | 1073 |
| 1997 | 1273 |
| 1998 | 1500 |
| 1999 | 1704 |
| 2000 | 1917 |
| 2001 | 1862 |
| 2002 | 1948 |
| 2003 | 2103 |
| 2004 | 2315 |
| 2005 | 2509 |
| 2006 | 2992 |
| 2007 | 3163 |
| 2008 | 3391 |
| 2009 | 3754 |
| 2010 | 4054 |
| 2011 | 4210 |
| 2012 | 4450 |
| 2013 | 4681 |
| 2014 | 4568 |
| 2015 | 4531 |
| 2016 | 4371 |
| 2017 | 4410 |
| 2018 | 4414 |
| 2019 | 4324 |
| 2020 | 4555 |
| 2021 | 4101 |
| 2022 | 3209 |
| 2023 | 2582 |
| 2024 | 795 |