| Value | Category | Cases | |
|---|---|---|---|
| 0 | 151 |
68%
|
|
| 1 | 6 |
2.7%
|
|
| 2 | 24 |
10.8%
|
|
| 3 | 28 |
12.6%
|
|
| 4 | 10 |
4.5%
|
|
| 5 | 2 |
0.9%
|
|
| 6 | 1 |
0.5%
|
|
| Sysmiss | 2 |