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 58 51.8%
2 United States 22 19.6%
3 Germany 13 11.6%
4 United Kingdom 6 5.4%
5 Hong Kong 4 3.6%
6 Taiwan 3 2.7%
7 Denmark 2 1.8%
8 Canada 1 0.9%
9 Netherlands 1 0.9%
10 Portugal 1 0.9%
11 Russia 1 0.9%