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 34 45.9%
2 United States 21 28.4%
3 Hong Kong 9 12.2%
4 Germany 5 6.8%
5 Ireland 1 1.4%
6 Netherlands 1 1.4%
7 Portugal 1 1.4%
8 Russia 1 1.4%
9 United Kingdom 1 1.4%