| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.4%
|
|
| 1 | 9 |
0.7%
|
|
| 2 | 12 |
0.9%
|
|
| 3 | 36 |
2.6%
|
|
| 4 | 59 |
4.3%
|
|
| 5 | 87 |
6.3%
|
|
| 6 | 122 |
8.9%
|
|
| 7 | 1043 |
75.9%
|
|
| Sysmiss | 2 |