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 147 63.9%
2 United States 37 16.1%
3 Germany 12 5.2%
4 Hong Kong 9 3.9%
5 Netherlands 7 3%
6 Portugal 6 2.6%
7 Taiwan 5 2.2%
8 Senegal 3 1.3%
9 United Kingdom 2 0.9%
10 Australia 1 0.4%
11 Russia 1 0.4%