Value | Category | Cases | |
---|---|---|---|
1997 | 3 |
25%
|
|
1998 | 4 |
33.3%
|
|
1999 | 4 |
33.3%
|
|
2000 | 1 |
8.3%
|
|
9997 | Missing | 0 |
0%
|
Sysmiss | 1878 |