| Value | Category | Cases | |
|---|---|---|---|
| 0 | 503 |
31.5%
|
|
| 1 | 780 |
48.9%
|
|
| 2 | 179 |
11.2%
|
|
| 3 | 54 |
3.4%
|
|
| 7 | 15 |
0.9%
|
|
| 8 | 9 |
0.6%
|
|
| 666 | 54 |
3.4%
|
|
| 999 | 2 |
0.1%
|
|
| Sysmiss | 99 |