Value | Category | Cases | |
---|---|---|---|
1997 | 2 |
18.2%
|
|
1998 | 3 |
27.3%
|
|
1999 | 2 |
18.2%
|
|
2000 | 2 |
18.2%
|
|
7777 | DON'T KNOW | 2 |
18.2%
|
9999 | REFUSED | 0 |
0%
|
Sysmiss | 4336 |