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 121 46.9%
2 United States 49 19%
3 Hong Kong 38 14.7%
4 Germany 11 4.3%
5 Canada 10 3.9%
6 Netherlands 6 2.3%
7 Portugal 6 2.3%
8 Taiwan 5 1.9%
9 Senegal 3 1.2%
10 3 1.2%
11 Russia 2 0.8%
12 Singapore 1 0.4%
13 Sweden 1 0.4%
14 Switzerland 1 0.4%
15 United Kingdom 1 0.4%