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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1976 | 3 |
| 1977 | 4 |
| 1978 | 6 |
| 1979 | 6 |
| 1980 | 3 |
| 1981 | 5 |
| 1982 | 2 |
| 1983 | 9 |
| 1984 | 8 |
| 1985 | 10 |
| 1986 | 10 |
| 1987 | 11 |
| 1988 | 16 |
| 1989 | 15 |
| 1990 | 9 |
| 1991 | 19 |
| 1992 | 31 |
| 1993 | 17 |
| 1994 | 29 |
| 1995 | 44 |
| 1996 | 46 |
| 1997 | 56 |
| 1998 | 49 |
| 1999 | 55 |
| 2000 | 74 |
| 2001 | 74 |
| 2002 | 96 |
| 2003 | 100 |
| 2004 | 97 |
| 2005 | 91 |
| 2006 | 117 |
| 2007 | 137 |
| 2008 | 140 |
| 2009 | 145 |
| 2010 | 156 |
| 2011 | 132 |
| 2012 | 160 |
| 2013 | 157 |
| 2014 | 155 |
| 2015 | 151 |
| 2016 | 143 |
| 2017 | 144 |
| 2018 | 131 |
| 2019 | 116 |
| 2020 | 120 |
| 2021 | 104 |
| 2022 | 50 |
| 2023 | 12 |
| 2024 | 13 |