| Value | Category | Cases | |
|---|---|---|---|
| 0 | 147 |
19.4%
|
|
| 1 | 220 |
29%
|
|
| 2 | 263 |
34.7%
|
|
| 3 | 52 |
6.9%
|
|
| 4 | 43 |
5.7%
|
|
| 5 | 8 |
1.1%
|
|
| 6 | 17 |
2.2%
|
|
| 7 | 6 |
0.8%
|
|
| 8 | 3 |
0.4%
|
|
| Sysmiss | 309 |