| Value | Category | Cases | |
|---|---|---|---|
| 0 | 620 |
97.2%
|
|
| 3 | 2 |
0.3%
|
|
| 4 | 5 |
0.8%
|
|
| 5 | 2 |
0.3%
|
|
| 6 | 1 |
0.2%
|
|
| 9 | 1 |
0.2%
|
|
| 12 | 1 |
0.2%
|
|
| 20.5 | 6 |
0.9%
|
|
| Sysmiss | 2 |