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 China 153 40.4%
2 United States 133 35.1%
3 Netherlands 39 10.3%
4 Germany 26 6.9%
5 France 9 2.4%
6 Romania 3 0.8%
7 India 3 0.8%
8 Japan 3 0.8%
9 Canada 3 0.8%
10 Taiwan 2 0.5%
11 Sweden 1 0.3%
12 Algeria 1 0.3%
13 Colombia 1 0.3%
14 Finland 1 0.3%
15 Malaysia 1 0.3%