| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 3 |
0.2%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 27 |
1.7%
|
| 2 | 1 |
0.1%
|
|
| 3 | 7 |
0.4%
|
|
| 4 | 15 |
1%
|
|
| 5 | 50 |
3.2%
|
|
| 6 | 98 |
6.3%
|
|
| 7 | 175 |
11.2%
|
|
| 8 | 309 |
19.8%
|
|
| 9 | 327 |
21%
|
|
| 10 | 547 |
35.1%
|
|
| Sysmiss | 7 |