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 United States 43 37.7%
2 China 32 28.1%
3 Netherlands 18 15.8%
4 Germany 7 6.1%
5 Hong Kong 5 4.4%
6 Taiwan 3 2.6%
7 United Kingdom 1 0.9%
8 France 1 0.9%
9 Portugal 1 0.9%
10 Russia 1 0.9%
11 Singapore 1 0.9%
12 Sweden 1 0.9%