| Value | Category | Cases | |
|---|---|---|---|
| 97 | Refused | 0 |
0%
|
| 98 | Don't know | 0 |
0%
|
| 99 | Missing | 0 |
0%
|
| 120 | 1 |
20%
|
|
| 180 | 1 |
20%
|
|
| 200 | 1 |
20%
|
|
| 300 | 1 |
20%
|
|
| 750 | 1 |
20%
|
|
| Sysmiss | 1720 |