| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
4.5%
|
|
| 1 | 311 |
82.3%
|
|
| 2 | 44 |
11.6%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 3 |
0.8%
|
|
| 5 | 1 |
0.3%
|
|
| Sysmiss | 183 |