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 68 46.9%
2 United States 38 26.2%
3 Germany 13 9%
4 Hong Kong 8 5.5%
5 Netherlands 4 2.8%
6 United Kingdom 4 2.8%
7 Canada 3 2.1%
8 Republic of Korea 2 1.4%
9 Singapore 2 1.4%
10 Italy 1 0.7%
11 Korea, Republic of 1 0.7%
12 Zimbabwe 1 0.7%