| Value | Category | Cases | |
|---|---|---|---|
| 0 | Worst form | 190 |
16.1%
|
| 1 | 32 |
2.7%
|
|
| 2 | 43 |
3.7%
|
|
| 3 | 32 |
2.7%
|
|
| 4 | 26 |
2.2%
|
|
| 5 | 125 |
10.6%
|
|
| 6 | 36 |
3.1%
|
|
| 7 | 26 |
2.2%
|
|
| 8 | 52 |
4.4%
|
|
| 9 | 17 |
1.4%
|
|
| 10 | Best form | 356 |
30.2%
|
| 99 | Missing data | 242 |
20.6%
|