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 46 49.5%
2 United States 21 22.6%
3 Germany 9 9.7%
4 Hong Kong 5 5.4%
5 Taiwan 3 3.2%
6 United Kingdom 3 3.2%
7 Sweden 2 2.2%
8 France 1 1.1%
9 Japan 1 1.1%
10 Portugal 1 1.1%
11 Singapore 1 1.1%