| Value | Category | Cases | |
|---|---|---|---|
| 0 | 312 |
24.1%
|
|
| 1 | 142 |
11%
|
|
| 2 | 239 |
18.5%
|
|
| 3 | 254 |
19.6%
|
|
| 4 | 148 |
11.4%
|
|
| 5 | 65 |
5%
|
|
| 6 | 23 |
1.8%
|
|
| 7 | 112 |
8.6%
|
|
| Sysmiss | 1 |