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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1975 | 2 |
| 1976 | 2 |
| 1977 | 6 |
| 1979 | 1 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 3 |
| 1986 | 1 |
| 1988 | 3 |
| 1989 | 3 |
| 1990 | 34 |
| 1991 | 70 |
| 1992 | 90 |
| 1993 | 71 |
| 1994 | 94 |
| 1995 | 98 |
| 1996 | 109 |
| 1997 | 111 |
| 1998 | 88 |
| 1999 | 103 |
| 2000 | 116 |
| 2001 | 150 |
| 2002 | 126 |
| 2003 | 146 |
| 2004 | 160 |
| 2005 | 167 |
| 2006 | 167 |
| 2007 | 127 |
| 2008 | 139 |
| 2009 | 131 |
| 2010 | 128 |
| 2011 | 149 |
| 2012 | 180 |
| 2013 | 188 |
| 2014 | 175 |
| 2015 | 164 |
| 2016 | 134 |
| 2017 | 136 |
| 2018 | 144 |
| 2019 | 145 |
| 2020 | 130 |
| 2021 | 107 |
| 2022 | 23 |
| 2023 | 14 |
| 2024 | 7 |