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 152 41.4%
2 China 112 30.5%
3 Netherlands 60 16.3%
4 Germany 22 6%
5 France 6 1.6%
6 India 4 1.1%
7 United Kingdom 4 1.1%
8 Ukraine 2 0.5%
9 Hong Kong 2 0.5%
10 Japan 1 0.3%
11 Pakistan 1 0.3%
12 Taiwan 1 0.3%