| Value | Category | Cases | |
|---|---|---|---|
| 0 | 143 |
97.9%
|
|
| 15 | 1 |
0.7%
|
|
| 20 | 1 |
0.7%
|
|
| 87 | 1 |
0.7%
|
|
| Sysmiss | 63 |