Value | Category | Cases | |
---|---|---|---|
1996 | 2 |
0%
|
|
1997 | 1 |
0%
|
|
1999 | 14 |
0.1%
|
|
2000 | 9 |
0.1%
|
|
9997 | inconsistent | 0 |
0%
|
9998 | dk | 0 |
0%
|
Sysmiss | 15959 |