| Value | Category | Cases | |
|---|---|---|---|
| 999 | 5 |
1.6%
|
|
| HKJ | 52 |
16.8%
|
|
| HS | 83 |
26.8%
|
|
| NG | 35 |
11.3%
|
|
| PK | 77 |
24.8%
|
|
| TM | 58 |
18.7%
|