| Value | Category | Cases | |
|---|---|---|---|
| -998 | Dont know | 7 |
6%
|
| 0 | Less than 1 Month | 0 |
0%
|
| 1 | 1 |
0.9%
|
|
| 4 | 2 |
1.7%
|
|
| 6 | 47 |
40.2%
|
|
| 7 | 50 |
42.7%
|
|
| 8 | 7 |
6%
|
|
| 12 | 2 |
1.7%
|
|
| 13 | 1 |
0.9%
|
|
| Sysmiss | 3 |