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 63 57.3%
2 United States 26 23.6%
3 Germany 7 6.4%
4 Hong Kong 5 4.5%
5 Korea, Republic of 2 1.8%
6 Russia 2 1.8%
7 Canada 2 1.8%
8 United Kingdom 1 0.9%
9 Portugal 1 0.9%
10 Ireland 1 0.9%