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 23 25.3%
2 United States 21 23.1%
3 Netherlands 17 18.7%
4 Germany 8 8.8%
5 France 5 5.5%
6 Nigeria 4 4.4%
7 Taiwan 3 3.3%
8 Ukraine 3 3.3%
9 India 3 3.3%
10 Mexico 2 2.2%
11 Malaysia 1 1.1%
12 Croatia 1 1.1%