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 116 57.7%
2 United States 48 23.9%
3 France 8 4%
4 India 6 3%
5 Germany 5 2.5%
6 Finland 5 2.5%
7 Republic of Korea 4 2%
8 Hong Kong 2 1%
9 Netherlands 2 1%
10 Turkey 2 1%
11 Sweden 1 0.5%
12 Thailand 1 0.5%
13 Mexico 1 0.5%