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 34 45.9%
2 Germany 12 16.2%
3 China 10 13.5%
4 Hong Kong 4 5.4%
5 India 3 4.1%
6 Netherlands 3 4.1%
7 Republic of Korea 3 4.1%
8 Singapore 2 2.7%
9 Taiwan 1 1.4%
10 United Kingdom 1 1.4%
11 Macao 1 1.4%