| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | 167 |
38.5%
|
|
| 2 | 185 |
42.6%
|
|
| 3 | 65 |
15%
|
|
| 4 | 4 |
0.9%
|
|
| 5 | 7 |
1.6%
|
|
| 7 | 1 |
0.2%
|
|
| 8 | DK | 1 |
0.2%
|
| 9 | Missing | 3 |
0.7%
|
| Sysmiss | 5405 |