| Value | Category | Cases | |
|---|---|---|---|
| 0 | 24 |
0.6%
|
|
| 1 | 81 |
2.2%
|
|
| 2 | 431 |
11.5%
|
|
| 3 | 3161 |
84.6%
|
|
| 4 | 35 |
0.9%
|
|
| 5 | 2 |
0.1%
|
|
| 7 | 3 |
0.1%
|
|
| Sysmiss | 1 |