| Value | Category | Cases | |
|---|---|---|---|
| 1 | 492 |
34.4%
|
|
| 2 | 405 |
28.3%
|
|
| 3 | 167 |
11.7%
|
|
| 200903 | 1 |
0.1%
|
|
| 200906 | 1 |
0.1%
|
|
| 200910 | 320 |
22.3%
|
|
| 200911 | 46 |
3.2%
|