| Value | Category | Cases | |
|---|---|---|---|
| -99 | Manquante | 0 |
0%
|
| 1993 | 1 |
0.9%
|
|
| 1994 | 1 |
0.9%
|
|
| 1998 | 17 |
15%
|
|
| 2000 | 3 |
2.7%
|
|
| 2002 | 1 |
0.9%
|
|
| 2004 | 2 |
1.8%
|
|
| 2005 | 3 |
2.7%
|
|
| 2006 | 3 |
2.7%
|
|
| 2007 | 2 |
1.8%
|
|
| 2008 | 3 |
2.7%
|
|
| 2009 | 5 |
4.4%
|
|
| 2010 | 11 |
9.7%
|
|
| 2011 | 6 |
5.3%
|
|
| 2012 | 12 |
10.6%
|
|
| 2013 | 12 |
10.6%
|
|
| 2014 | 11 |
9.7%
|
|
| 2015 | 20 |
17.7%
|
|
| Sysmiss | 143 |