Value | Category | Cases | |
---|---|---|---|
1998 | 2 |
40%
|
|
1999 | 1 |
20%
|
|
2000 | 2 |
40%
|
|
9997 | inconsistent | 0 |
0%
|
9998 | dk | 0 |
0%
|
Sysmiss | 6387 |