| Value | Category | Cases | |
|---|---|---|---|
| 0 | 64 |
7.5%
|
|
| 1 | 376 |
44.1%
|
|
| 2 | 332 |
38.9%
|
|
| 3 | 52 |
6.1%
|
|
| 4 | 16 |
1.9%
|
|
| 5 | 6 |
0.7%
|
|
| 6 | 4 |
0.5%
|
|
| 8 | 3 |
0.4%
|
|
| Sysmiss | 2400 |