2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 40% |
2 | Germany | 11 | 22% |
3 | China | 10 | 20% |
4 | Netherlands | 3 | 6% |
5 | 2 | 4% | |
6 | Taiwan | 2 | 4% |
7 | Republic of Korea | 1 | 2% |
8 | France | 1 | 2% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 20 | 40% |
2 | Germany | 11 | 22% |
3 | China | 10 | 20% |
4 | Netherlands | 3 | 6% |
5 | 2 | 4% | |
6 | Taiwan | 2 | 4% |
7 | Republic of Korea | 1 | 2% |
8 | France | 1 | 2% |