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 255 56.5%
2 United States 83 18.4%
3 Germany 39 8.6%
4 Canada 35 7.8%
5 Hong Kong 14 3.1%
6 Netherlands 5 1.1%
7 Russia 5 1.1%
8 France 3 0.7%
9 United Kingdom 3 0.7%
10 Singapore 2 0.4%
11 Sweden 2 0.4%
12 Taiwan 2 0.4%
13 Turkey 1 0.2%
14 Brazil 1 0.2%
15 Macao 1 0.2%