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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1979 | 3 |
| 1980 | 10 |
| 1981 | 18 |
| 1982 | 11 |
| 1983 | 17 |
| 1984 | 18 |
| 1985 | 14 |
| 1986 | 13 |
| 1987 | 18 |
| 1988 | 18 |
| 1989 | 17 |
| 1990 | 21 |
| 1991 | 17 |
| 1992 | 21 |
| 1993 | 23 |
| 1994 | 26 |
| 1995 | 34 |
| 1996 | 39 |
| 1997 | 37 |
| 1998 | 47 |
| 1999 | 63 |
| 2000 | 65 |
| 2001 | 77 |
| 2002 | 78 |
| 2003 | 70 |
| 2004 | 76 |
| 2005 | 71 |
| 2006 | 125 |
| 2007 | 163 |
| 2008 | 139 |
| 2009 | 114 |
| 2010 | 155 |
| 2011 | 150 |
| 2012 | 149 |
| 2013 | 140 |
| 2014 | 145 |
| 2015 | 192 |
| 2016 | 152 |
| 2017 | 138 |
| 2018 | 170 |
| 2019 | 169 |
| 2020 | 167 |
| 2021 | 125 |
| 2022 | 21 |
| 2024 | 1 |