| Value | Category | Cases | |
|---|---|---|---|
| 1 | <=0.6 | 2134 |
8.4%
|
| 2 | >1.8 | 15869 |
62.3%
|
| 3 | 0.7-1.2 | 4048 |
15.9%
|
| 4 | 1.3-1.8 | 3404 |
13.4%
|