| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 9453 |
51%
|
| 2 | No | 8375 |
45.1%
|
| 3 | 2 |
0%
|
|
| 4 | 1 |
0%
|
|
| 9 | NS/blank | 719 |
3.9%
|
| Sysmiss | 154821 |