| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 1 | 597 |
63.2%
|
|
| 2 | 174 |
18.4%
|
|
| 3 | 62 |
6.6%
|
|
| 4 | 43 |
4.6%
|
|
| 5 | 35 |
3.7%
|
|
| 6 | 33 |
3.5%
|
|
| Sysmiss | 93 |