2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 43.2% |
2 | United States | 14 | 31.8% |
3 | Germany | 9 | 20.5% |
4 | Republic of Korea | 1 | 2.3% |
5 | Russia | 1 | 2.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 43.2% |
2 | United States | 14 | 31.8% |
3 | Germany | 9 | 20.5% |
4 | Republic of Korea | 1 | 2.3% |
5 | Russia | 1 | 2.3% |