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 89 62.7%
2 United States 19 13.4%
3 Netherlands 11 7.7%
4 Hong Kong 7 4.9%
5 Germany 5 3.5%
6 Taiwan 5 3.5%
7 United Kingdom 2 1.4%
8 Japan 1 0.7%
9 Portugal 1 0.7%
10 Russia 1 0.7%
11 Sweden 1 0.7%