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 167 74.6%
2 United States 27 12.1%
3 Netherlands 11 4.9%
4 Germany 7 3.1%
5 Hong Kong 3 1.3%
6 Taiwan 3 1.3%
7 United Kingdom 1 0.4%
8 Canada 1 0.4%
9 Malaysia 1 0.4%
10 Portugal 1 0.4%
11 Singapore 1 0.4%
12 Sweden 1 0.4%