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 100 60.2%
2 United States 37 22.3%
3 Netherlands 13 7.8%
4 Germany 7 4.2%
5 Hong Kong 3 1.8%
6 Taiwan 2 1.2%
7 United Kingdom 1 0.6%
8 Portugal 1 0.6%
9 Sweden 1 0.6%
10 France 1 0.6%