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 27 38%
2 Puerto Rico 8 11.3%
3 Brazil 7 9.9%
4 China 6 8.5%
5 France 6 8.5%
6 Germany 4 5.6%
7 Republic of Korea 4 5.6%
8 Japan 2 2.8%
9 Colombia 2 2.8%
10 Kazakhstan 1 1.4%
11 Netherlands 1 1.4%
12 Romania 1 1.4%
13 Russia 1 1.4%
14 Ukraine 1 1.4%