2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 24 | 52.2% |
2 | Germany | 12 | 26.1% |
3 | China | 5 | 10.9% |
4 | Netherlands | 4 | 8.7% |
5 | Republic of Korea | 1 | 2.2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 24 | 52.2% |
2 | Germany | 12 | 26.1% |
3 | China | 5 | 10.9% |
4 | Netherlands | 4 | 8.7% |
5 | Republic of Korea | 1 | 2.2% |