| Value | Category | Cases | |
|---|---|---|---|
| 1 | Ninguno | 11 |
2.7%
|
| 2 | 1 o 2 | 10 |
2.4%
|
| 3 | 3 a 9 | 264 |
63.9%
|
| 4 | 10 o más | 101 |
24.5%
|
| 99 | No contestó | 27 |
6.5%
|
| Sysmiss | 640 |