| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very great extent | 879 |
28.2%
|
| 2 | Great extent | 1338 |
42.9%
|
| 3 | Neither great nor small extent | 539 |
17.3%
|
| 4 | Small extent | 292 |
9.4%
|
| 5 | Very small extent | 69 |
2.2%
|
| Sysmiss | 3101 |