| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3585 |
98.4%
|
|
| 2 | 12 |
0.3%
|
|
| 3 | 25 |
0.7%
|
|
| 4 | 8 |
0.2%
|
|
| 5 | 6 |
0.2%
|
|
| 6 | 4 |
0.1%
|
|
| 7 | 3 |
0.1%
|
|
| Sysmiss | 4 |