| Value | Category | Cases | |
|---|---|---|---|
| 1 | NOT AT ALL | 4 |
0.4%
|
| 2 | SMALL EXTENT | 55 |
5.9%
|
| 3 | MEDIUM EXTENT | 233 |
25%
|
| 4 | HIGH EXTENT | 641 |
68.7%
|
| Sysmiss | 1276 |