| Value | Category | Cases | |
|---|---|---|---|
| 1987 | 1 |
6.3%
|
|
| 2002 | 1 |
6.3%
|
|
| 3333 | Missing | 0 |
0%
|
| 5555 | Not Applicable | 0 |
0%
|
| 8888 | Refused | 0 |
0%
|
| 9999 | Don't know | 14 |
87.5%
|
| Sysmiss | 30094 |