| Value | Category | Cases | |
|---|---|---|---|
| 0 | 317 |
30.3%
|
|
| 1 | 312 |
29.9%
|
|
| 2 | 234 |
22.4%
|
|
| 3 | 127 |
12.2%
|
|
| 4 | 32 |
3.1%
|
|
| 5 | 15 |
1.4%
|
|
| 6 | 6 |
0.6%
|
|
| 7 | 1 |
0.1%
|
|
| 11 | 1 |
0.1%
|
|
| Sysmiss | 4 |