2018 | 总访问次数
排名 | 国家/地区 | 数量 | 占比 |
1 | United States | 18 | 32.7% |
2 | Germany | 16 | 29.1% |
3 | China | 10 | 18.2% |
4 | India | 3 | 5.5% |
5 | Taiwan | 2 | 3.6% |
6 | United Kingdom | 1 | 1.8% |
7 | Malaysia | 1 | 1.8% |
8 | Netherlands | 1 | 1.8% |
9 | Republic of Korea | 1 | 1.8% |
10 | Algeria | 1 | 1.8% |
11 | Hong Kong | 1 | 1.8% |