Value | Category | Cases | |
---|---|---|---|
1998 | 1 |
10%
|
|
1999 | 3 |
30%
|
|
2000 | 2 |
20%
|
|
2001 | 3 |
30%
|
|
2002 | 1 |
10%
|
|
Sysmiss | 140 |