| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17 |
1.3%
|
|
| 1 | 25 |
1.9%
|
|
| 2 | 45 |
3.4%
|
|
| 3 | 92 |
7%
|
|
| 4 | 82 |
6.3%
|
|
| 5 | 132 |
10.1%
|
|
| 6 | 609 |
46.6%
|
|
| 7 | 270 |
20.6%
|
|
| 9998 | 3 |
0.2%
|
|
| 9999 | 33 |
2.5%
|
|
| Sysmiss | 1387 |