| Value | Category | Cases | |
|---|---|---|---|
| 1980 | 3 |
2.5%
|
|
| 1981 | 1 |
0.8%
|
|
| 1982 | 2 |
1.7%
|
|
| 1983 | 2 |
1.7%
|
|
| 1984 | 2 |
1.7%
|
|
| 1985 | 4 |
3.3%
|
|
| 1986 | 2 |
1.7%
|
|
| 1990 | 5 |
4.1%
|
|
| 1991 | 1 |
0.8%
|
|
| 1992 | 6 |
5%
|
|
| 1993 | 1 |
0.8%
|
|
| 1998 | 2 |
1.7%
|
|
| 1999 | 2 |
1.7%
|
|
| 2000 | 2 |
1.7%
|
|
| 2001 | 4 |
3.3%
|
|
| 2002 | 3 |
2.5%
|
|
| 2003 | 3 |
2.5%
|
|
| 2004 | 5 |
4.1%
|
|
| 2005 | 10 |
8.3%
|
|
| 2006 | 15 |
12.4%
|
|
| 2007 | 10 |
8.3%
|
|
| 2008 | 11 |
9.1%
|
|
| 2009 | 20 |
16.5%
|
|
| 2010 | 3 |
2.5%
|
|
| 2011 | 1 |
0.8%
|
|
| 9997 | no sabe | 1 |
0.8%
|
| 9999 | no responde | 0 |
0%
|
| Sysmiss | 324 |