| Value | Category | Cases | |
|---|---|---|---|
| -9 | na | 163 |
86.7%
|
| 0 | free | 19 |
10.1%
|
| 50 | 1 |
0.5%
|
|
| 150 | 1 |
0.5%
|
|
| 1500 | 1 |
0.5%
|
|
| 2000 | 1 |
0.5%
|
|
| 3000 | 1 |
0.5%
|
|
| 15000 | 1 |
0.5%
|
|
| Sysmiss | 4477 |