| Value | Category | Cases | |
|---|---|---|---|
| 0 | 506 |
78.7%
|
|
| 1 | 67 |
10.4%
|
|
| 2 | 33 |
5.1%
|
|
| 3 | 11 |
1.7%
|
|
| 4 | 12 |
1.9%
|
|
| 5 | 7 |
1.1%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 3 |
0.5%
|
|
| 10 | 2 |
0.3%
|
|
| 18 | 1 |
0.2%
|
|
| Sysmiss | 4 |