| Value | Category | Cases | |
|---|---|---|---|
| 1 | YES, AT LEAST ONCE | 2770 |
21.6%
|
| 2 | NO, ALWAYS SUFFICIENT | 9869 |
77.1%
|
| 8 | DK | 15 |
0.1%
|
| 9 | NO RESPONSE | 1 |
0%
|
| Sysmiss | 145 |
1.1%
|