| Value | Category | Cases | |
|---|---|---|---|
| 1 | 0 | 3877 |
95.3%
|
| 2 | 1-2 | 126 |
3.1%
|
| 3 | 3-4 | 27 |
0.7%
|
| 4 | 5-6 | 9 |
0.2%
|
| 5 | 7 | 31 |
0.8%
|
| Sysmiss | 13 |