| Value | Category | Cases | |
|---|---|---|---|
| 0 | 591 |
74.1%
|
|
| 1 | 138 |
17.3%
|
|
| 2 | 42 |
5.3%
|
|
| 3 | 15 |
1.9%
|
|
| 4 | 8 |
1%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 7 |