| Value | Category | Cases | |
|---|---|---|---|
| 0 | 234 |
32.7%
|
|
| 1 | 186 |
26%
|
|
| 2 | 189 |
26.4%
|
|
| 3 | 76 |
10.6%
|
|
| 4 | 18 |
2.5%
|
|
| 5 | 8 |
1.1%
|
|
| 6 | 3 |
0.4%
|
|
| 12 | 1 |
0.1%
|
|
| Sysmiss | 1 |