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 China 23 41.1%
2 United States 12 21.4%
3 Germany 9 16.1%
4 Netherlands 4 7.1%
5 India 3 5.4%
6 Republic of Korea 2 3.6%
7 United Kingdom 1 1.8%
8 Macao 1 1.8%
9 Finland 1 1.8%