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 82 50.6%
2 United States 54 33.3%
3 Germany 7 4.3%
4 Hong Kong 4 2.5%
5 Netherlands 3 1.9%
6 Taiwan 3 1.9%
7 United Kingdom 2 1.2%
8 Canada 1 0.6%
9 Portugal 1 0.6%
10 Russia 1 0.6%
11 Singapore 1 0.6%
12 Sweden 1 0.6%
13 Japan 1 0.6%
14 Macao 1 0.6%