| Value | Category | Cases | |
|---|---|---|---|
| 0 | 167 |
3.7%
|
|
| 1 | 203 |
4.5%
|
|
| 2 | 307 |
6.8%
|
|
| 3 | 837 |
18.6%
|
|
| 4 | 2959 |
65.9%
|
|
| 888 | 16 |
0.4%
|
|
| Sysmiss | 92 |