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 52 44.1%
2 United States 30 25.4%
3 Germany 12 10.2%
4 Netherlands 9 7.6%
5 Hong Kong 4 3.4%
6 Taiwan 4 3.4%
7 Canada 2 1.7%
8 Sweden 2 1.7%
9 Portugal 1 0.8%
10 Ireland 1 0.8%
11 United Kingdom 1 0.8%