2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 31 | 51.7% |
2 | United States | 13 | 21.7% |
3 | Germany | 9 | 15% |
4 | Netherlands | 6 | 10% |
5 | Republic of Korea | 1 | 1.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 31 | 51.7% |
2 | United States | 13 | 21.7% |
3 | Germany | 9 | 15% |
4 | Netherlands | 6 | 10% |
5 | Republic of Korea | 1 | 1.7% |