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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1980 | 3 |
| 1981 | 6 |
| 1982 | 7 |
| 1983 | 6 |
| 1984 | 2 |
| 1985 | 4 |
| 1986 | 17 |
| 1987 | 8 |
| 1988 | 10 |
| 1989 | 12 |
| 1990 | 21 |
| 1991 | 18 |
| 1992 | 25 |
| 1993 | 41 |
| 1994 | 42 |
| 1995 | 43 |
| 1996 | 60 |
| 1997 | 56 |
| 1998 | 82 |
| 1999 | 89 |
| 2000 | 95 |
| 2001 | 132 |
| 2002 | 163 |
| 2003 | 211 |
| 2004 | 237 |
| 2005 | 328 |
| 2006 | 358 |
| 2007 | 421 |
| 2008 | 468 |
| 2009 | 545 |
| 2010 | 706 |
| 2011 | 765 |
| 2012 | 871 |
| 2013 | 1050 |
| 2014 | 1262 |
| 2015 | 1394 |
| 2016 | 1498 |
| 2017 | 1565 |
| 2018 | 1758 |
| 2019 | 1974 |
| 2020 | 2229 |
| 2021 | 2552 |
| 2022 | 2984 |
| 2023 | 328 |