| Value | Category | Cases | |
|---|---|---|---|
| 0 | 165 |
17.1%
|
|
| 1 | 306 |
31.8%
|
|
| 2 | 224 |
23.3%
|
|
| 3 | 132 |
13.7%
|
|
| 4 | 66 |
6.9%
|
|
| 5 | 35 |
3.6%
|
|
| 6 | 28 |
2.9%
|
|
| 7 | 7 |
0.7%
|
|
| Sysmiss | 18134 |