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 52 38.5%
2 China 47 34.8%
3 Germany 18 13.3%
4 Netherlands 4 3%
5 Australia 4 3%
6 United Kingdom 2 1.5%
7 Norway 1 0.7%
8 Poland 1 0.7%
9 Russia 1 0.7%
10 Singapore 1 0.7%
11 Sri Lanka 1 0.7%
12 Israel 1 0.7%
13 Korea, Republic of 1 0.7%
14 Finland 1 0.7%