| Value | Category | Cases | |
|---|---|---|---|
| 0 | 419 |
59.3%
|
|
| 1 | 103 |
14.6%
|
|
| 2 | 121 |
17.1%
|
|
| 3 | 56 |
7.9%
|
|
| 4 | 4 |
0.6%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1101 |