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 44 40.7%
2 China 36 33.3%
3 Germany 10 9.3%
4 Taiwan 7 6.5%
5 Hong Kong 5 4.6%
6 Ivory Coast 1 0.9%
7 Republic of Korea 1 0.9%
8 Singapore 1 0.9%
9 Czechia 1 0.9%
10 Australia 1 0.9%
11 Canada 1 0.9%