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 83 37.7%
2 China 59 26.8%
3 Netherlands 26 11.8%
4 Germany 18 8.2%
5 France 12 5.5%
6 United Kingdom 5 2.3%
7 Republic of Korea 3 1.4%
8 Canada 3 1.4%
9 Finland 3 1.4%
10 Belgium 3 1.4%
11 Brazil 1 0.5%
12 India 1 0.5%
13 Mexico 1 0.5%
14 Russia 1 0.5%
15 Thailand 1 0.5%