BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 United States 41 51.9%
2 China 13 16.5%
3 Poland 8 10.1%
4 Germany 4 5.1%
5 Brazil 3 3.8%
6 France 3 3.8%
7 Serbia 2 2.5%
8 Singapore 1 1.3%
9 Ukraine 1 1.3%
10 Colombia 1 1.3%
11 Mongolia 1 1.3%
12 Republic of Korea 1 1.3%