| Value | Category | Cases | |
|---|---|---|---|
| 0 | 488 |
84%
|
|
| 1 | 63 |
10.8%
|
|
| 2 | 10 |
1.7%
|
|
| 3 | 4 |
0.7%
|
|
| 4 | 2 |
0.3%
|
|
| 6 | 3 |
0.5%
|
|
| 7 | 2 |
0.3%
|
|
| 9 | 1 |
0.2%
|
|
| 14 | 8 |
1.4%
|
|
| Sysmiss | 3 |