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 33 42.3%
2 United States 24 30.8%
3 Germany 9 11.5%
4 Netherlands 4 5.1%
5 Taiwan 2 2.6%
6 Macao 2 2.6%
7 France 1 1.3%
8 Canada 1 1.3%
9 Republic of Korea 1 1.3%
10 Singapore 1 1.3%