BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 China 31 30.4%
2 United States 21 20.6%
3 Netherlands 16 15.7%
4 France 8 7.8%
5 Germany 6 5.9%
6 Japan 6 5.9%
7 Nigeria 4 3.9%
8 Malaysia 3 2.9%
9 Canada 2 2%
10 Singapore 2 2%
11 Thailand 1 1%
12 Australia 1 1%
13 Hong Kong 1 1%