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 78 48.1%
2 United States 48 29.6%
3 Germany 15 9.3%
4 Hong Kong 5 3.1%
5 Taiwan 5 3.1%
6 Canada 3 1.9%
7 France 2 1.2%
8 Netherlands 2 1.2%
9 Portugal 1 0.6%
10 Russia 1 0.6%
11 Sweden 1 0.6%
12 1 0.6%