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 64 41.3%
2 United States 47 30.3%
3 Netherlands 16 10.3%
4 Hong Kong 11 7.1%
5 Germany 7 4.5%
6 Taiwan 2 1.3%
7 United Kingdom 2 1.3%
8 Japan 1 0.6%
9 Malaysia 1 0.6%
10 France 1 0.6%
11 Portugal 1 0.6%
12 Russia 1 0.6%
13 Sweden 1 0.6%