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 123 66.8%
2 United States 28 15.2%
3 Germany 7 3.8%
4 Hong Kong 7 3.8%
5 Portugal 5 2.7%
6 Taiwan 4 2.2%
7 United Kingdom 4 2.2%
8 Japan 2 1.1%
9 Korea, Republic of 1 0.5%
10 Russia 1 0.5%
11 Sweden 1 0.5%
12 France 1 0.5%