| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2018 |
76%
|
|
| 2 | 458 |
17.3%
|
|
| 3 | 136 |
5.1%
|
|
| 4 | 31 |
1.2%
|
|
| 5 | 7 |
0.3%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 2 |
0.1%
|
|
| Sysmiss | 4392 |