Value | Category | Cases | |
---|---|---|---|
2015 | 8 |
0.2%
|
|
2016 | 27 |
0.8%
|
|
2017 | 241 |
6.8%
|
|
2018 | 188 |
5.3%
|
|
9997 | 7 |
0.2%
|
|
9999 | NO RESPONSE | 18 |
0.5%
|
Sysmiss | 3071 |
86.3%
|