2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 25 | 33.8% |
2 | China | 13 | 17.6% |
3 | United States | 13 | 17.6% |
4 | 7 | 9.5% | |
5 | Canada | 4 | 5.4% |
6 | Republic of Korea | 3 | 4.1% |
7 | Russia | 2 | 2.7% |
8 | United Kingdom | 2 | 2.7% |
9 | Belgium | 2 | 2.7% |
10 | France | 2 | 2.7% |
11 | Romania | 1 | 1.4% |