2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 19 | 39.6% |
2 | China | 14 | 29.2% |
3 | Germany | 5 | 10.4% |
4 | France | 3 | 6.2% |
5 | Japan | 2 | 4.2% |
6 | Saudi Arabia | 2 | 4.2% |
7 | Albania | 1 | 2.1% |
8 | Republic of Korea | 1 | 2.1% |
9 | India | 1 | 2.1% |