| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 1710 |
82.3%
|
| 2 | 1-2 | 151 |
7.3%
|
| 3 | 3-4 | 44 |
2.1%
|
| 4 | 5-6 | 31 |
1.5%
|
| 5 | 7 | 142 |
6.8%
|
| Sysmiss | 5 |