BPG致力于知识的发现和传播
Total Visits of This Article
2018 | 总访问次数
排名 国家/地区 数量 占比
1 United States 31 39.2%
2 China 21 26.6%
3 Germany 12 15.2%
4 Hong Kong 4 5.1%
5 Romania 3 3.8%
6 Australia 3 3.8%
7 Singapore 1 1.3%
8 Sweden 1 1.3%
9 Taiwan 1 1.3%
10 Japan 1 1.3%
11 Netherlands 1 1.3%