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 28 49.1%
2 China 13 22.8%
3 Netherlands 3 5.3%
4 Hong Kong 2 3.5%
5 Japan 2 3.5%
6 France 2 3.5%
7 Canada 2 3.5%
8 Taiwan 2 3.5%
9 Germany 1 1.8%
10 Finland 1 1.8%
11 Republic of Korea 1 1.8%