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 90 42.7%
2 United States 50 23.7%
3 Germany 22 10.4%
4 Netherlands 12 5.7%
5 Hong Kong 7 3.3%
6 United Kingdom 7 3.3%
7 Portugal 5 2.4%
8 Taiwan 5 2.4%
9 Canada 4 1.9%
10 Norway 2 0.9%
11 Russia 2 0.9%
12 Sweden 1 0.5%
13 Ukraine 1 0.5%
14 Poland 1 0.5%
15 Australia 1 0.5%
16 Finland 1 0.5%