| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.2%
|
|
| 1 | 164 |
11.5%
|
|
| 2 | 768 |
54%
|
|
| 3 | 279 |
19.6%
|
|
| 4 | 133 |
9.4%
|
|
| 5 | 48 |
3.4%
|
|
| 6 | 20 |
1.4%
|
|
| 7 | 5 |
0.4%
|
|
| 8 | 2 |
0.1%
|
|
| Sysmiss | 270 |