| Value | Category | Cases | |
|---|---|---|---|
| 0 | 525 |
67.7%
|
|
| 1 | 112 |
14.4%
|
|
| 2 | 101 |
13%
|
|
| 3 | 13 |
1.7%
|
|
| 4 | 18 |
2.3%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 4 |
0.5%
|
|
| 10 | 1 |
0.1%
|
|
| 12 | 1 |
0.1%
|
|
| Sysmiss | 223 |