2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 10 | 43.5% |
2 | Germany | 9 | 39.1% |
3 | China | 2 | 8.7% |
4 | India | 1 | 4.3% |
5 | Republic of Korea | 1 | 4.3% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 10 | 43.5% |
2 | Germany | 9 | 39.1% |
3 | China | 2 | 8.7% |
4 | India | 1 | 4.3% |
5 | Republic of Korea | 1 | 4.3% |