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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1976 | 1 |
| 1978 | 3 |
| 1979 | 6 |
| 1980 | 11 |
| 1981 | 11 |
| 1982 | 11 |
| 1983 | 24 |
| 1984 | 28 |
| 1985 | 27 |
| 1986 | 8 |
| 1987 | 17 |
| 1988 | 33 |
| 1989 | 23 |
| 1990 | 34 |
| 1991 | 52 |
| 1992 | 63 |
| 1993 | 72 |
| 1994 | 88 |
| 1995 | 79 |
| 1996 | 75 |
| 1997 | 51 |
| 1998 | 70 |
| 1999 | 68 |
| 2000 | 66 |
| 2001 | 84 |
| 2002 | 74 |
| 2003 | 91 |
| 2004 | 118 |
| 2005 | 115 |
| 2006 | 118 |
| 2007 | 122 |
| 2008 | 102 |
| 2009 | 100 |
| 2010 | 101 |
| 2011 | 122 |
| 2012 | 115 |
| 2013 | 98 |
| 2014 | 120 |
| 2015 | 127 |
| 2016 | 100 |
| 2017 | 94 |
| 2018 | 52 |
| 2019 | 58 |
| 2020 | 67 |
| 2021 | 51 |
| 2022 | 18 |
| 2023 | 8 |
| 2024 | 3 |