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 48 37.8%
2 United States 35 27.6%
3 Netherlands 16 12.6%
4 Germany 7 5.5%
5 Canada 7 5.5%
6 France 5 3.9%
7 India 2 1.6%
8 Japan 2 1.6%
9 Hong Kong 1 0.8%
10 Sweden 1 0.8%
11 Taiwan 1 0.8%
12 Ukraine 1 0.8%
13 United Kingdom 1 0.8%