| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1 |
0.2%
|
|
| 1 | Within | 299 |
61.5%
|
| 2 | Outside | 163 |
33.5%
|
| 9 | 23 |
4.7%
|
|
| Sysmiss | 220 |