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 66 51.2%
2 United States 26 20.2%
3 Hong Kong 11 8.5%
4 Germany 9 7%
5 Russia 4 3.1%
6 Netherlands 3 2.3%
7 Taiwan 3 2.3%
8 United Kingdom 2 1.6%
9 Canada 2 1.6%
10 France 1 0.8%
11 Portugal 1 0.8%
12 Sweden 1 0.8%