| Value | Category | Cases | |
|---|---|---|---|
| 1 | NOT AT ALL | 21 |
1.6%
|
| 2 | SMALL EXTENT | 180 |
13.6%
|
| 3 | MEDIUM EXTENT | 546 |
41.2%
|
| 4 | HIGH EXTENT | 579 |
43.7%
|
| Sysmiss | 883 |