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 25 33.8%
2 China 24 32.4%
3 Germany 12 16.2%
4 India 4 5.4%
5 Netherlands 3 4.1%
6 Mauritius 2 2.7%
7 Belgium 1 1.4%
8 Republic of Korea 1 1.4%
9 Taiwan 1 1.4%
10 Jordan 1 1.4%