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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1970 | 1 |
| 1974 | 1 |
| 1977 | 3 |
| 1978 | 2 |
| 1979 | 1 |
| 1980 | 4 |
| 1982 | 5 |
| 1983 | 6 |
| 1984 | 2 |
| 1985 | 3 |
| 1986 | 2 |
| 1987 | 3 |
| 1988 | 7 |
| 1989 | 5 |
| 1990 | 9 |
| 1991 | 9 |
| 1992 | 16 |
| 1993 | 22 |
| 1994 | 27 |
| 1995 | 35 |
| 1996 | 22 |
| 1997 | 23 |
| 1998 | 38 |
| 1999 | 53 |
| 2000 | 66 |
| 2001 | 111 |
| 2002 | 99 |
| 2003 | 146 |
| 2004 | 142 |
| 2005 | 197 |
| 2006 | 233 |
| 2007 | 251 |
| 2008 | 379 |
| 2009 | 408 |
| 2010 | 519 |
| 2011 | 576 |
| 2012 | 748 |
| 2013 | 830 |
| 2014 | 1026 |
| 2015 | 1131 |
| 2016 | 1184 |
| 2017 | 1268 |
| 2018 | 1400 |
| 2019 | 1576 |
| 2020 | 1924 |
| 2021 | 2015 |
| 2022 | 2348 |
| 2023 | 690 |