Value | Category | Cases | |
---|---|---|---|
2000 | 2 |
20%
|
|
2011 | 1 |
10%
|
|
2012 | 2 |
20%
|
|
2013 | 1 |
10%
|
|
9998 | year don't know | 4 |
40%
|
Sysmiss | 10906 |