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 41 73.2%
2 United States 6 10.7%
3 India 3 5.4%
4 Germany 2 3.6%
5 Bolivia, Plurinational State of 1 1.8%
6 Macao 1 1.8%
7 Sweden 1 1.8%
8 United Kingdom 1 1.8%