| Value | Category | Cases | |
|---|---|---|---|
| -999999999 | missing | 0 |
0%
|
| 1 | Less than 6 months | 7 |
0.7%
|
| 2 | 3-6 months | 14 |
1.3%
|
| 3 | 7-9 months | 21 |
2%
|
| 4 | 10-11 months | 23 |
2.2%
|
| 5 | 12 months | 987 |
93.8%
|
| 99 | DO NOT KNOW | 0 |
0%
|
| Sysmiss | 2 |