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 95 65.5%
2 United States 20 13.8%
3 Germany 7 4.8%
4 Hong Kong 7 4.8%
5 Taiwan 4 2.8%
6 Singapore 3 2.1%
7 Russia 2 1.4%
8 Netherlands 2 1.4%
9 United Kingdom 2 1.4%
10 Portugal 1 0.7%
11 Japan 1 0.7%
12 France 1 0.7%