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 24 29.6%
2 United States 19 23.5%
3 Canada 12 14.8%
4 Germany 9 11.1%
5 Japan 4 4.9%
6 Netherlands 4 4.9%
7 Macao 2 2.5%
8 Taiwan 2 2.5%
9 Australia 1 1.2%
10 Bolivia 1 1.2%
11 Republic of Korea 1 1.2%
12 Singapore 1 1.2%
13 Sweden 1 1.2%