2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 67.9% |
2 | China | 6 | 21.4% |
3 | Sweden | 2 | 7.1% |
4 | Republic of Korea | 1 | 3.6% |
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 67.9% |
2 | China | 6 | 21.4% |
3 | Sweden | 2 | 7.1% |
4 | Republic of Korea | 1 | 3.6% |