| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1.5%
|
|
| 1 | 28 |
10.6%
|
|
| 2 | 177 |
66.8%
|
|
| 3 | 28 |
10.6%
|
|
| 4 | 9 |
3.4%
|
|
| 5 | 12 |
4.5%
|
|
| 6 | 3 |
1.1%
|
|
| 7 | 3 |
1.1%
|
|
| 8 | 1 |
0.4%
|
|
| Sysmiss | 1217 |