| Value | Category | Cases | |
|---|---|---|---|
| 0 | 11 |
2.2%
|
|
| 1 | 270 |
53.7%
|
|
| 2 | 174 |
34.6%
|
|
| 3 | 31 |
6.2%
|
|
| 4 | 12 |
2.4%
|
|
| 5 | 2 |
0.4%
|
|
| 6 | 2 |
0.4%
|
|
| 9 | 1 |
0.2%
|
|
| Sysmiss | 58 |