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 46 41.1%
2 United States 28 25%
3 Germany 16 14.3%
4 Hong Kong 7 6.2%
5 Portugal 5 4.5%
6 Senegal 3 2.7%
7 Taiwan 2 1.8%
8 United Kingdom 1 0.9%
9 Russia 1 0.9%
10 Netherlands 1 0.9%
11 France 1 0.9%
12 Canada 1 0.9%