| Regional distribution |
| Beijing |
 7.44%
|
| Tianjin |
2.23%
|
| Shanghai |
6.14%
|
| Chongqing |
1.96%
|
| Hebei |
3.97%
|
| Henan |
4.55%
|
| Heilongjiang |
2.28%
|
| Jilin |
1.83%
|
| Liaoning |
3.36%
|
| Shangdong |
7.40%
|
| Inner Mongolia autonomous region |
0.77%
|
| Jiangsu |
7.13%
|
| Anhui |
2.56%
|
| Shanxi |
1.60%
|
| Shanxi |
2.43%
|
| Gansu |
0.73%
|
| Zhejiang |
6.28%
|
| Jiangxi |
2.40%
|
| Hubei |
4.29%
|
| Hunan |
3.59%
|
| Guizhou |
0.81%
|
| Sichuan |
3.89%
|
| Yunnan |
1.21%
|
| Xinjiang Uygur family autonomous district |
0.84%
|
| Ningxia Huizu Autonomous Region |
0.36%
|
| Qinghai |
0.22%
|
| Tibet autonomous region |
0.14%
|
| Guangxi autonomous district |
2.87%
|
| Guangdong |
12.14%
|
| Fujian |
4.00%
|
| Hainan |
0.48%
|
| Taiwan |
0.02%
|
| Hong Kong |
0.02%
|
| Macao |
0.06%
|