| Value | Category | Cases | |
|---|---|---|---|
| 0 | 5 |
1.3%
|
|
| 1 | 332 |
89%
|
|
| 2 | 27 |
7.2%
|
|
| 3 | 6 |
1.6%
|
|
| 4 | 2 |
0.5%
|
|
| 2017 | 1 |
0.3%
|
|
| Sysmiss | 31636 |