| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.1%
|
|
| 1 | 13 |
1.3%
|
|
| 2 | 34 |
3.4%
|
|
| 3 | 68 |
6.8%
|
|
| 4 | 122 |
12.2%
|
|
| 5 | 159 |
15.9%
|
|
| 6 | 155 |
15.5%
|
|
| 7 | 447 |
44.7%
|
|
| Sysmiss | 1027 |