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 158 72.8%
2 United States 22 10.1%
3 Netherlands 10 4.6%
4 Germany 7 3.2%
5 Hong Kong 7 3.2%
6 Taiwan 5 2.3%
7 Japan 2 0.9%
8 France 2 0.9%
9 Portugal 1 0.5%
10 Sweden 1 0.5%
11 Korea, Republic of 1 0.5%
12 United Kingdom 1 0.5%