| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 4737 |
88.4%
|
| 1 | 160 |
3%
|
|
| 11 | 53 |
1%
|
|
| 12 | Periodic abstinence | 410 |
7.6%
|
| 97 | Missing | 0 |
0%
|
| Sysmiss | 3366 |