| Value | Category | Cases | |
|---|---|---|---|
| 1 | class I | 179 |
0.7%
|
| 2 | class II | 408 |
1.5%
|
| 3 | class III | 881 |
3.3%
|
| 4 | class IV | 1435 |
5.3%
|
| 5 | class V | 3523 |
13%
|
| 6 | class VI | 1673 |
6.2%
|
| 7 | class VII | 2987 |
11%
|
| 8 | class VIII | 6393 |
23.6%
|
| 9 | class IX | 3746 |
13.8%
|
| 10 | class X | 5846 |
21.6%
|
| 11 | 3 |
0%
|
|
| 12 | 1 |
0%
|