| Value | Category | Cases | |
|---|---|---|---|
| 0 | 35 |
4.4%
|
|
| 1 | 241 |
30%
|
|
| 2 | 289 |
36%
|
|
| 3 | 159 |
19.8%
|
|
| 4 | 60 |
7.5%
|
|
| 5 | 13 |
1.6%
|
|
| 6 | 4 |
0.5%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 2 |