Value | Category | Cases | |
---|---|---|---|
0 | 66 |
8.2%
|
|
1 | Before 1990 | 239 |
29.8%
|
2 | From 1990-95 | 151 |
18.9%
|
3 | since 1995 | 262 |
32.7%
|
4 | 2001-2002 | 56 |
7%
|
9 | Don't know | 27 |
3.4%
|
Sysmiss | 2132 |