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 45 37.2%
2 Germany 20 16.5%
3 Finland 16 13.2%
4 United States 14 11.6%
5 Canada 9 7.4%
6 Hong Kong 8 6.6%
7 South Africa 2 1.7%
8 Taiwan 1 0.8%
9 United Kingdom 1 0.8%
10 Japan 1 0.8%
11 Portugal 1 0.8%
12 Singapore 1 0.8%
13 France 1 0.8%
14 Denmark 1 0.8%