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 131 55.3%
2 United States 43 18.1%
3 Hong Kong 16 6.8%
4 Netherlands 10 4.2%
5 Germany 9 3.8%
6 Portugal 6 2.5%
7 Canada 5 2.1%
8 United Kingdom 4 1.7%
9 Taiwan 3 1.3%
10 Senegal 3 1.3%
11 Japan 2 0.8%
12 Russia 1 0.4%
13 1 0.4%
14 Australia 1 0.4%
15 Brazil 1 0.4%
16 Sweden 1 0.4%