| Value | Category | Cases | |
|---|---|---|---|
| 0 | 37 |
3.6%
|
|
| 1 | 250 |
24.5%
|
|
| 2 | 395 |
38.7%
|
|
| 3 | 254 |
24.9%
|
|
| 4 | 63 |
6.2%
|
|
| 5 | 15 |
1.5%
|
|
| 6 | 4 |
0.4%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 2 |
0.2%
|
|
| Sysmiss | 4 |