| Value | Category | Cases | |
|---|---|---|---|
| 0 | 253 |
29.1%
|
|
| 1 | 506 |
58.2%
|
|
| 2 | 63 |
7.2%
|
|
| 3 | 31 |
3.6%
|
|
| 4 | 9 |
1%
|
|
| 5 | 6 |
0.7%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 5357 |