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 41 31.8%
2 United States 41 31.8%
3 Germany 14 10.9%
4 Netherlands 10 7.8%
5 Canada 6 4.7%
6 Hong Kong 3 2.3%
7 Russia 3 2.3%
8 Taiwan 3 2.3%
9 Thailand 2 1.6%
10 Belgium 2 1.6%
11 France 1 0.8%
12 Japan 1 0.8%
13 Portugal 1 0.8%
14 United Kingdom 1 0.8%