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 61 44.9%
2 United States 26 19.1%
3 Germany 18 13.2%
4 Hong Kong 9 6.6%
5 Taiwan 7 5.1%
6 United Kingdom 4 2.9%
7 France 3 2.2%
8 Japan 2 1.5%
9 Netherlands 2 1.5%
10 Portugal 1 0.7%
11 Singapore 1 0.7%
12 Sweden 1 0.7%
13 Israel 1 0.7%