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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 23 |
| 1981 | 25 |
| 1982 | 7 |
| 1983 | 28 |
| 1984 | 20 |
| 1985 | 18 |
| 1986 | 20 |
| 1987 | 29 |
| 1988 | 25 |
| 1989 | 32 |
| 1990 | 40 |
| 1991 | 58 |
| 1992 | 50 |
| 1993 | 46 |
| 1994 | 65 |
| 1995 | 47 |
| 1996 | 61 |
| 1997 | 48 |
| 1998 | 81 |
| 1999 | 72 |
| 2000 | 82 |
| 2001 | 90 |
| 2002 | 85 |
| 2003 | 101 |
| 2004 | 102 |
| 2005 | 94 |
| 2006 | 112 |
| 2007 | 109 |
| 2008 | 105 |
| 2009 | 95 |
| 2010 | 88 |
| 2011 | 111 |
| 2012 | 146 |
| 2013 | 156 |
| 2014 | 138 |
| 2015 | 146 |
| 2016 | 137 |
| 2017 | 117 |
| 2018 | 123 |
| 2019 | 114 |
| 2020 | 145 |
| 2021 | 64 |
| 2022 | 10 |
| 2023 | 2 |
| 2024 | 0 |