| Value | Category | Cases | |
|---|---|---|---|
| 0 | none | 1210 |
77.2%
|
| 1 | 283 |
18.1%
|
|
| 2 | 46 |
2.9%
|
|
| 3 | 14 |
0.9%
|
|
| 4 | 12 |
0.8%
|
|
| 5 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 43047 |