| value | category | cases | |
|---|---|---|---|
| 2000 | 1 |
33.3%
|
|
| 2002 | 2 |
66.7%
|
|
| 9997 | Inconsistent | 0 |
0%
|
| 9998 | DK | 0 |
0%
|
| Sysmiss | 10642 |