2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 50% |
2 | Germany | 9 | 23.7% |
3 | China | 8 | 21.1% |
4 | Republic of Korea | 1 | 2.6% |
5 | Taiwan | 1 | 2.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 50% |
2 | Germany | 9 | 23.7% |
3 | China | 8 | 21.1% |
4 | Republic of Korea | 1 | 2.6% |
5 | Taiwan | 1 | 2.6% |