| Value | Category | Cases | |
|---|---|---|---|
| 0 | 277 |
52.2%
|
|
| 1 | 202 |
38%
|
|
| 2 | 40 |
7.5%
|
|
| 3 | 6 |
1.1%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 3 |
0.6%
|
|
| 6 | 1 |
0.2%
|
|
| 7 | 1 |
0.2%
|
|
| Sysmiss | 1465 |