Value | Category | Cases | |
---|---|---|---|
1997 | 1 |
14.3%
|
|
1998 | 1 |
14.3%
|
|
1999 | 2 |
28.6%
|
|
2000 | 2 |
28.6%
|
|
7777 | DON'T KNOW | 1 |
14.3%
|
9999 | REFUSED | 0 |
0%
|
Sysmiss | 4340 |