| Value | Category | Cases | |
|---|---|---|---|
| 0 | 144 |
35%
|
|
| 1 | 115 |
27.9%
|
|
| 2 | 77 |
18.7%
|
|
| 3 | 64 |
15.5%
|
|
| 4 | 8 |
1.9%
|
|
| 5 | 2 |
0.5%
|
|
| 6 | 1 |
0.2%
|
|
| 9 | 1 |
0.2%
|
|
| Sysmiss | 1614 |