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 35 44.3%
2 United States 16 20.3%
3 Germany 9 11.4%
4 Hong Kong 3 3.8%
5 Taiwan 3 3.8%
6 Brazil 2 2.5%
7 Norway 2 2.5%
8 Portugal 1 1.3%
9 Russia 1 1.3%
10 Sweden 1 1.3%
11 Burkina Faso 1 1.3%
12 Canada 1 1.3%
13 Czech Republic 1 1.3%
14 France 1 1.3%
15 Ukraine 1 1.3%
16 Iran, Islamic Republic of 1 1.3%