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 29 36.2%
2 United States 26 32.5%
3 Germany 10 12.5%
4 Netherlands 5 6.2%
5 Japan 4 5%
6 Hong Kong 2 2.5%
7 Ireland 1 1.2%
8 Canada 1 1.2%
9 Republic of Korea 1 1.2%
10 United Kingdom 1 1.2%