| قيمة | فئة | حالات | |
|---|---|---|---|
| 1923 | 1 |
1.8%
|
|
| 1961 | 2 |
3.5%
|
|
| 1970 | 1 |
1.8%
|
|
| 1980 | 1 |
1.8%
|
|
| 1981 | 3 |
5.3%
|
|
| 1982 | 1 |
1.8%
|
|
| 1989 | 1 |
1.8%
|
|
| 1991 | 1 |
1.8%
|
|
| 1995 | 2 |
3.5%
|
|
| 1996 | 1 |
1.8%
|
|
| 1997 | 1 |
1.8%
|
|
| 1998 | 5 |
8.8%
|
|
| 2000 | 3 |
5.3%
|
|
| 2001 | 1 |
1.8%
|
|
| 2002 | 3 |
5.3%
|
|
| 2003 | 1 |
1.8%
|
|
| 2004 | 7 |
12.3%
|
|
| 2005 | 2 |
3.5%
|
|
| 2006 | 3 |
5.3%
|
|
| 2007 | 2 |
3.5%
|
|
| 2008 | 2 |
3.5%
|
|
| 2009 | 3 |
5.3%
|
|
| 2011 | 1 |
1.8%
|
|
| 2012 | 1 |
1.8%
|
|
| 2013 | 1 |
1.8%
|
|
| 2014 | 2 |
3.5%
|
|
| 2015 | 3 |
5.3%
|
|
| 2016 | 1 |
1.8%
|
|
| 2017 | 1 |
1.8%
|