| Value | Category | Cases | |
|---|---|---|---|
| 0 | 23 |
3.2%
|
|
| 1 | 193 |
27.1%
|
|
| 2 | 247 |
34.7%
|
|
| 3 | 154 |
21.6%
|
|
| 4 | 58 |
8.1%
|
|
| 5 | 27 |
3.8%
|
|
| 6 | 3 |
0.4%
|
|
| 7 | 3 |
0.4%
|
|
| 8 | 3 |
0.4%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 3 |