BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 43 28.9%
2 United States 25 16.8%
3 Hong Kong 24 16.1%
4 Germany 15 10.1%
5 Netherlands 14 9.4%
6 Czech Republic 7 4.7%
7 Korea, Republic of 5 3.4%
8 Taiwan 4 2.7%
9 France 4 2.7%
10 United Kingdom 3 2%
11 Philippines 2 1.3%
12 India 2 1.3%
13 Canada 1 0.7%