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 United States 37 28.7%
2 China 23 17.8%
3 Netherlands 20 15.5%
4 Germany 16 12.4%
5 Hong Kong 11 8.5%
6 Portugal 6 4.7%
7 Taiwan 4 3.1%
8 Senegal 3 2.3%
9 Spain 2 1.6%
10 Russia 2 1.6%
11 Canada 2 1.6%
12 Australia 1 0.8%
13 France 1 0.8%
14 Ukraine 1 0.8%