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 64.9%
2 United States 31 16.8%
3 Germany 7 3.8%
4 Hong Kong 6 3.2%
5 Portugal 5 2.7%
6 United Kingdom 4 2.2%
7 Taiwan 3 1.6%
8 Singapore 2 1.1%
9 Japan 2 1.1%
10 Netherlands 1 0.5%
11 Russia 1 0.5%
12 Iran, Islamic Republic of 1 0.5%
13 Finland 1 0.5%
14 South Africa 1 0.5%