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 56 38.6%
2 United States 33 22.8%
3 Germany 14 9.7%
4 Hong Kong 9 6.2%
5 Portugal 5 3.4%
6 Russia 4 2.8%
7 Senegal 4 2.8%
8 United Kingdom 4 2.8%
9 Canada 4 2.8%
10 Australia 3 2.1%
11 Taiwan 2 1.4%
12 Greece 1 0.7%
13 Spain 1 0.7%
14 France 1 0.7%
15 Ireland 1 0.7%
16 Japan 1 0.7%
17 Luxembourg 1 0.7%
18 Netherlands 1 0.7%