| Value | Category | Cases | |
|---|---|---|---|
| 0 | 142 |
34.3%
|
|
| 1 | 143 |
34.5%
|
|
| 2 | 83 |
20%
|
|
| 3 | 23 |
5.6%
|
|
| 4 | 13 |
3.1%
|
|
| 5 | 6 |
1.4%
|
|
| 6 | 3 |
0.7%
|
|
| 8 | 1 |
0.2%
|
|
| Sysmiss | 80 |