| Value | Category | Cases | |
|---|---|---|---|
| 0 | 505 |
88%
|
|
| 1 | 21 |
3.7%
|
|
| 2 | 27 |
4.7%
|
|
| 3 | 12 |
2.1%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 3 |
0.5%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 2 |
0.3%
|
|
| Sysmiss | 1697 |