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 China 56 38.6%
2 United States 45 31%
3 Germany 16 11%
4 Netherlands 12 8.3%
5 Nigeria 4 2.8%
6 France 4 2.8%
7 India 3 2.1%
8 Ireland 2 1.4%
9 Brazil 1 0.7%
10 United Kingdom 1 0.7%
11 Iran, Islamic Republic of 1 0.7%