| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 391 |
31.1%
|
| -88 | Missing | 1 |
0.1%
|
| -77 | NA | 1 |
0.1%
|
| 0 | 7 |
0.6%
|
|
| 1 | 128 |
10.2%
|
|
| 2 | 155 |
12.3%
|
|
| 3 | 228 |
18.1%
|
|
| 4 | 57 |
4.5%
|
|
| 5 | 156 |
12.4%
|
|
| 6 | 17 |
1.4%
|
|
| 7 | 15 |
1.2%
|
|
| 8 | 13 |
1%
|
|
| 9 | 3 |
0.2%
|
|
| 10 | 51 |
4.1%
|
|
| 15 | 16 |
1.3%
|
|
| 20 | 10 |
0.8%
|
|
| 22 | 1 |
0.1%
|
|
| 25 | 6 |
0.5%
|
|
| 30 | 1 |
0.1%
|
|
| 99 | 1 |
0.1%
|
|
| Sysmiss | 1 |