| Value | Category | Cases | |
|---|---|---|---|
| 2010 | 3 |
75%
|
|
| 2011 | 1 |
25%
|
|
| 9997 | no sabe | 0 |
0%
|
| 9999 | no responde | 0 |
0%
|
| Sysmiss | 497 |