| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 1 | 62 |
4.7%
|
|
| 2 | 310 |
23.5%
|
|
| 3 | 490 |
37.2%
|
|
| 4 | 305 |
23.2%
|
|
| 5 | 107 |
8.1%
|
|
| 6 | 33 |
2.5%
|
|
| 7 | 9 |
0.7%
|
|
| Sysmiss | 1 |