| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.5%
|
|
| 1 | 22 |
10.9%
|
|
| 2 | 167 |
82.7%
|
|
| 3 | 5 |
2.5%
|
|
| 4 | 3 |
1.5%
|
|
| 5 | 4 |
2%
|
|
| Sysmiss | 964 |