| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 11 |
6%
|
| 0 | 124 |
67.4%
|
|
| 5 | 6 |
3.3%
|
|
| 10 | 12 |
6.5%
|
|
| 12 | 1 |
0.5%
|
|
| 15 | 14 |
7.6%
|
|
| 20 | 6 |
3.3%
|
|
| 22 | 1 |
0.5%
|
|
| 25 | 3 |
1.6%
|
|
| 30 | 3 |
1.6%
|
|
| 999 | 3 |
1.6%
|
|
| Sysmiss | 107 |