| Value | Category | Cases | |
|---|---|---|---|
| 0 | 17634 |
91.5%
|
|
| 1 | 1499 |
7.8%
|
|
| 2 | 113 |
0.6%
|
|
| 3 | 9 |
0%
|
|
| 4 | 16 |
0.1%
|
|
| 18 | 3 |
0%
|
|
| Sysmiss | 3964 |