| Value | Category | Cases | |
|---|---|---|---|
| 0 | 68 |
23.6%
|
|
| 1 | 153 |
53.1%
|
|
| 2 | 49 |
17%
|
|
| 3 | 9 |
3.1%
|
|
| 4 | 6 |
2.1%
|
|
| 6 | 1 |
0.3%
|
|
| 10 | 2 |
0.7%
|
|
| Sysmiss | 1 |