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 81 42.2%
2 United States 46 24%
3 Germany 18 9.4%
4 Netherlands 17 8.9%
5 Hong Kong 11 5.7%
6 India 8 4.2%
7 Russia 2 1%
8 Canada 2 1%
9 United Kingdom 2 1%
10 Portugal 1 0.5%
11 Saudi Arabia 1 0.5%
12 Singapore 1 0.5%
13 Taiwan 1 0.5%
14 France 1 0.5%