2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 13 | 35.1% |
2 | United States | 12 | 32.4% |
3 | Germany | 10 | 27% |
4 | Republic of Korea | 1 | 2.7% |
5 | Czechia | 1 | 2.7% |
排名 | 国家/地区 | 数量 | 占比 |
1 | China | 13 | 35.1% |
2 | United States | 12 | 32.4% |
3 | Germany | 10 | 27% |
4 | Republic of Korea | 1 | 2.7% |
5 | Czechia | 1 | 2.7% |