| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply (spontaneous) | 22 |
11.4%
|
| 0 | 160 |
82.9%
|
|
| 2 | 5 |
2.6%
|
|
| 3 | 1 |
0.5%
|
|
| 5 | 1 |
0.5%
|
|
| 8 | 2 |
1%
|
|
| 20 | 1 |
0.5%
|
|
| 65 | 1 |
0.5%
|
|
| Sysmiss | 49 |