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 145 46.6%
2 China 71 22.8%
3 Germany 29 9.3%
4 Netherlands 22 7.1%
5 France 21 6.8%
6 Republic of Korea 4 1.3%
7 Romania 4 1.3%
8 Finland 4 1.3%
9 Hong Kong 2 0.6%
10 Singapore 2 0.6%
11 Ukraine 1 0.3%
12 Nigeria 1 0.3%
13 India 1 0.3%
14 Italy 1 0.3%
15 Mexico 1 0.3%
16 Bangladesh 1 0.3%
17 Canada 1 0.3%