| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 429 |
23.2%
|
| 2 | No | 116 |
6.3%
|
| 3 | Once Only | 17 |
0.9%
|
| 88 | N.A. | 1286 |
69.6%
|
| 99 | 2 | ||
| Sysmiss | 149 |