| Value | Category | Cases | |
|---|---|---|---|
| 0 | 111 |
0.8%
|
|
| 1 | 206 |
1.5%
|
|
| 2 | 428 |
3.1%
|
|
| 3 | 1228 |
8.9%
|
|
| 4 | 2392 |
17.4%
|
|
| 5 | 4501 |
32.7%
|
|
| 6 | 4919 |
35.7%
|
|
| Sysmiss | 502 |