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 48 53.9%
2 United States 11 12.4%
3 Korea, Republic of 7 7.9%
4 Hong Kong 6 6.7%
5 Iran, Islamic Republic of 6 6.7%
6 Ireland 4 4.5%
7 Germany 3 3.4%
8 France 2 2.2%
9 Netherlands 1 1.1%
10 Russia 1 1.1%