| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. | 2 |
|
28.6%
|
| 2 | 2. 1-4 months | 1 |
14.3%
|
| 3 | 3. 5-12 months | 3 |
42.9%
|
| 4 | 4. >one year | 1 |
14.3%
|
| 5 | 5. still continuing | 0 |
0%
|
| 8 | 8. refused | 0 |
0%
|
| 9 | 9. don't know | 0 |
0%
|
| Sysmiss | 92 |