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 134 66.3%
2 United States 41 20.3%
3 Germany 15 7.4%
4 Hong Kong 4 2%
5 United Kingdom 2 1%
6 France 2 1%
7 Italy 1 0.5%
8 Portugal 1 0.5%
9 South Africa 1 0.5%
10 Sweden 1 0.5%