| Value | Category | Cases | |
|---|---|---|---|
| 1 | 17930 |
95.9%
|
|
| 2 | 712 |
3.8%
|
|
| 3 | 44 |
0.2%
|
|
| 4 | 7 |
0%
|
|
| 98 | dk | 4 |
0%
|
| 99 | refuse | 6 |
0%
|
| Sysmiss | 1297 |