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 34 44.2%
2 China 26 33.8%
3 Germany 7 9.1%
4 Taiwan 4 5.2%
5 1 1.3%
6 Finland 1 1.3%
7 Ivory Coast 1 1.3%
8 Macao 1 1.3%
9 Netherlands 1 1.3%
10 Republic of Korea 1 1.3%