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 50 35.7%
2 United States 29 20.7%
3 Hong Kong 16 11.4%
4 Germany 13 9.3%
5 Korea, Republic of 9 6.4%
6 Portugal 5 3.6%
7 Canada 4 2.9%
8 3 2.1%
9 Russia 3 2.1%
10 Iran, Islamic Republic of 2 1.4%
11 France 1 0.7%
12 Senegal 1 0.7%
13 Spain 1 0.7%
14 Taiwan 1 0.7%
15 Turkey 1 0.7%
16 United Kingdom 1 0.7%