| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 1 |
0.1%
|
| -77 | NA | 48 |
6.1%
|
| 0 | 3 |
0.4%
|
|
| 1 | 23 |
2.9%
|
|
| 2 | 41 |
5.2%
|
|
| 3 | 31 |
3.9%
|
|
| 4 | 55 |
7%
|
|
| 5 | 30 |
3.8%
|
|
| 6 | 50 |
6.3%
|
|
| 7 | 31 |
3.9%
|
|
| 8 | 37 |
4.7%
|
|
| 9 | 20 |
2.5%
|
|
| 10 | 63 |
8%
|
|
| 11 | 6 |
0.8%
|
|
| 12 | 306 |
38.7%
|
|
| 13 | 45 |
5.7%
|
|
| Sysmiss | 136 |