2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 31.8% |
2 | Germany | 12 | 27.3% |
3 | China | 10 | 22.7% |
4 | Netherlands | 6 | 13.6% |
5 | Republic of Korea | 2 | 4.5% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 14 | 31.8% |
2 | Germany | 12 | 27.3% |
3 | China | 10 | 22.7% |
4 | Netherlands | 6 | 13.6% |
5 | Republic of Korea | 2 | 4.5% |