| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Then | 690 |
20.8%
|
| 2 | 2. Later | 251 |
7.6%
|
| 3 | 3. Not at all | 189 |
5.7%
|
| 5 | 5. Missing | 0 |
0%
|
| 7 | 1 |
0%
|
|
| 9 | 9. N/A | 2186 |
65.9%
|
| Sysmiss | 5337 |