2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 38% |
2 | United States | 15 | 30% |
3 | Germany | 10 | 20% |
4 | Netherlands | 4 | 8% |
5 | Republic of Korea | 1 | 2% |
6 | Finland | 1 | 2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 19 | 38% |
2 | United States | 15 | 30% |
3 | Germany | 10 | 20% |
4 | Netherlands | 4 | 8% |
5 | Republic of Korea | 1 | 2% |
6 | Finland | 1 | 2% |