2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 38.6% |
2 | United States | 15 | 34.1% |
3 | Germany | 10 | 22.7% |
4 | Republic of Korea | 1 | 2.3% |
5 | Czechia | 1 | 2.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 17 | 38.6% |
2 | United States | 15 | 34.1% |
3 | Germany | 10 | 22.7% |
4 | Republic of Korea | 1 | 2.3% |
5 | Czechia | 1 | 2.3% |