| Value | Category | Cases | |
|---|---|---|---|
| 0 | 579 |
49%
|
|
| 1 | 385 |
32.6%
|
|
| 2 | 154 |
13%
|
|
| 3 | 43 |
3.6%
|
|
| 4 | 7 |
0.6%
|
|
| 5 | 6 |
0.5%
|
|
| 6 | 7 |
0.6%
|
|
| Sysmiss | 5 |