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 173 56.4%
2 United States 46 15%
3 Germany 30 9.8%
4 Hong Kong 23 7.5%
5 Canada 15 4.9%
6 Netherlands 5 1.6%
7 Taiwan 5 1.6%
8 Russia 2 0.7%
9 Seychelles 2 0.7%
10 Sweden 2 0.7%
11 Australia 2 0.7%
12 France 1 0.3%
13 Japan 1 0.3%