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 27 37%
2 United States 20 27.4%
3 Germany 9 12.3%
4 Hong Kong 4 5.5%
5 Netherlands 4 5.5%
6 Romania 3 4.1%
7 Republic of Korea 2 2.7%
8 Singapore 1 1.4%
9 Taiwan 1 1.4%
10 India 1 1.4%
11 Australia 1 1.4%