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 38 35.2%
2 United States 22 20.4%
3 Germany 18 16.7%
4 Hong Kong 16 14.8%
5 Taiwan 5 4.6%
6 Canada 4 3.7%
7 United Kingdom 1 0.9%
8 Netherlands 1 0.9%
9 Portugal 1 0.9%
10 Russia 1 0.9%
11 Switzerland 1 0.9%