| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 9 |
3.6%
|
| 0 | 25 |
9.9%
|
|
| 1 | 3 |
1.2%
|
|
| 2 | 12 |
4.7%
|
|
| 3 | 8 |
3.2%
|
|
| 4 | 16 |
6.3%
|
|
| 5 | 29 |
11.5%
|
|
| 6 | 7 |
2.8%
|
|
| 7 | 5 |
2%
|
|
| 8 | 11 |
4.3%
|
|
| 9 | 6 |
2.4%
|
|
| 10 | 31 |
12.3%
|
|
| 12 | 4 |
1.6%
|
|
| 13 | 1 |
0.4%
|
|
| 14 | 3 |
1.2%
|
|
| 15 | 36 |
14.2%
|
|
| 20 | 24 |
9.5%
|
|
| 25 | 17 |
6.7%
|
|
| 30 | 6 |
2.4%
|
|
| Sysmiss | 38 |