| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1.3%
|
|
| 1 | Yes | 249 |
82.5%
|
| 2 | No | 46 |
15.2%
|
| 3 | 1 |
0.3%
|
|
| 4 | 1 |
0.3%
|
|
| 12 | 1 |
0.3%
|
|
| Sysmiss | 519 |