BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 175 51.9%
2 United States 53 15.7%
3 Germany 46 13.6%
4 Netherlands 40 11.9%
5 Macao 8 2.4%
6 France 3 0.9%
7 Canada 2 0.6%
8 Denmark 2 0.6%
9 Singapore 2 0.6%
10 Sweden 2 0.6%
11 Taiwan 2 0.6%
12 United Kingdom 1 0.3%
13 Russia 1 0.3%