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 31 34.1%
2 China 24 26.4%
3 Germany 13 14.3%
4 Hong Kong 6 6.6%
5 Taiwan 4 4.4%
6 Netherlands 3 3.3%
7 Australia 3 3.3%
8 Republic of Korea 3 3.3%
9 Singapore 1 1.1%
10 Canada 1 1.1%
11 Peru 1 1.1%
12 Philippines 1 1.1%