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 55 40.4%
2 United States 35 25.7%
3 Germany 13 9.6%
4 United Kingdom 9 6.6%
5 France 6 4.4%
6 Russia 4 2.9%
7 Singapore 2 1.5%
8 Netherlands 2 1.5%
9 Australia 2 1.5%
10 Canada 2 1.5%
11 Finland 1 0.7%
12 Philippines 1 0.7%
13 Poland 1 0.7%
14 Korea, Republic of 1 0.7%
15 Moldova, Republic of 1 0.7%
16 Ukraine 1 0.7%