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 42 51.9%
2 United States 17 21%
3 India 6 7.4%
4 Finland 5 6.2%
5 Republic of Korea 4 4.9%
6 Hong Kong 2 2.5%
7 Sweden 1 1.2%
8 Turkey 1 1.2%
9 Mexico 1 1.2%
10 France 1 1.2%
11 Germany 1 1.2%