2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 28 | 43.8% |
2 | United States | 19 | 29.7% |
3 | Germany | 12 | 18.8% |
4 | Netherlands | 4 | 6.2% |
5 | Republic of Korea | 1 | 1.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 28 | 43.8% |
2 | United States | 19 | 29.7% |
3 | Germany | 12 | 18.8% |
4 | Netherlands | 4 | 6.2% |
5 | Republic of Korea | 1 | 1.6% |