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 91 43.1%
2 United States 39 18.5%
3 Netherlands 20 9.5%
4 Germany 12 5.7%
5 Czech Republic 10 4.7%
6 France 8 3.8%
7 Hong Kong 6 2.8%
8 Taiwan 5 2.4%
9 United Kingdom 5 2.4%
10 India 4 1.9%
11 Korea, Republic of 4 1.9%
12 Romania 3 1.4%
13 Philippines 2 0.9%
14 Canada 1 0.5%
15 Japan 1 0.5%