| Value | Category | Cases | |
|---|---|---|---|
| 1 | Then | 213 |
56.2%
|
| 2 | later | 161 |
42.5%
|
| 3 | No more | 4 |
1.1%
|
| 9 | Missing | 1 |
0.3%
|
| Sysmiss | 902 |