| Value | Category | Cases | |
|---|---|---|---|
| 0 | 145 |
3.2%
|
|
| 1 | 132 |
2.9%
|
|
| 2 | 315 |
7%
|
|
| 3 | 767 |
17.1%
|
|
| 4 | 3117 |
69.4%
|
|
| 888 | 13 |
0.3%
|
|
| Sysmiss | 92 |