2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | Germany | 25 | 35.7% |
2 | United States | 20 | 28.6% |
3 | China | 9 | 12.9% |
4 | 4 | 5.7% | |
5 | Republic of Korea | 4 | 5.7% |
6 | Netherlands | 3 | 4.3% |
7 | Thailand | 2 | 2.9% |
8 | Canada | 1 | 1.4% |
9 | Finland | 1 | 1.4% |
10 | France | 1 | 1.4% |