| Value | Category | Cases | |
|---|---|---|---|
| 0 | 623 |
77.3%
|
|
| 1 | 129 |
16%
|
|
| 2 | 33 |
4.1%
|
|
| 3 | 9 |
1.1%
|
|
| 4 | 4 |
0.5%
|
|
| 5 | 4 |
0.5%
|
|
| 6 | 2 |
0.2%
|
|
| 7 | 1 |
0.1%
|
|
| 15 | 1 |
0.1%
|
|
| Sysmiss | 602 |