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 120 71.9%
2 United States 22 13.2%
3 Germany 9 5.4%
4 Hong Kong 3 1.8%
5 United Kingdom 2 1.2%
6 Netherlands 2 1.2%
7 Portugal 1 0.6%
8 Russia 1 0.6%
9 Taiwan 1 0.6%
10 Canada 1 0.6%
11 Iran, Islamic Republic of 1 0.6%
12 Korea, Republic of 1 0.6%
13 Egypt 1 0.6%
14 Estonia 1 0.6%
15 France 1 0.6%