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 24 32.9%
2 China 16 21.9%
3 Germany 12 16.4%
4 Netherlands 7 9.6%
5 Republic of Korea 3 4.1%
6 Romania 3 4.1%
7 India 3 4.1%
8 Japan 1 1.4%
9 Hong Kong 1 1.4%
10 Sweden 1 1.4%
11 United Kingdom 1 1.4%
12 Australia 1 1.4%