| Value | Category | Cases | |
|---|---|---|---|
| -99 | DK | 0 |
0%
|
| -88 | Missing | 0 |
0%
|
| -77 | NA | 4657 |
92.2%
|
| 0 | 27 |
0.5%
|
|
| 1 | 8 |
0.2%
|
|
| 2 | 26 |
0.5%
|
|
| 3 | 42 |
0.8%
|
|
| 4 | 18 |
0.4%
|
|
| 5 | 27 |
0.5%
|
|
| 6 | 11 |
0.2%
|
|
| 7 | 69 |
1.4%
|
|
| 8 | 11 |
0.2%
|
|
| 10 | 23 |
0.5%
|
|
| 12 | 1 |
0%
|
|
| 14 | 6 |
0.1%
|
|
| 15 | 42 |
0.8%
|
|
| 18 | 2 |
0%
|
|
| 20 | 9 |
0.2%
|
|
| 22 | 1 |
0%
|
|
| 28 | 2 |
0%
|
|
| 30 | 7 |
0.1%
|
|
| 60 | 1 |
0%
|
|
| 77 | 61 |
1.2%
|
|
| Sysmiss | 347 |