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 54 33.8%
2 United States 53 33.1%
3 Netherlands 16 10%
4 Germany 10 6.2%
5 Japan 8 5%
6 Hong Kong 6 3.8%
7 Canada 3 1.9%
8 Taiwan 3 1.9%
9 United Kingdom 2 1.2%
10 Mexico 2 1.2%
11 Portugal 1 0.6%
12 Sweden 1 0.6%
13 1 0.6%