| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 286 |
89.9%
|
|
| 2011 | 31 |
9.7%
|
|
| 2012 | 1 |
0.3%
|
|
| 9997 | no sabe | 0 |
0%
|
| 9999 | no responde | 0 |
0%
|
| Sysmiss | 461 |