| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 8 |
4%
|
| 0 | 150 |
75.8%
|
|
| 5 | 1 |
0.5%
|
|
| 8 | 3 |
1.5%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 6 |
3%
|
|
| 12 | 4 |
2%
|
|
| 13 | 1 |
0.5%
|
|
| 15 | 4 |
2%
|
|
| 16 | 5 |
2.5%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 6 |
3%
|
|
| 24 | 2 |
1%
|
|
| 28 | 1 |
0.5%
|
|
| 30 | 2 |
1%
|
|
| 999 | 3 |
1.5%
|
|
| Sysmiss | 93 |