| Value | Category | Cases | |
|---|---|---|---|
| 2014 | 5 |
55.6%
|
|
| 2015 | 2 |
22.2%
|
|
| 2016 | 2 |
22.2%
|
|
| 9997 | Inapposite | 0 |
0%
|
| 9999 | Missing | 0 |
0%
|
| Sysmiss | 370 |