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 131 38.4%
2 China 95 27.9%
3 Netherlands 64 18.8%
4 Germany 23 6.7%
5 France 15 4.4%
6 United Kingdom 5 1.5%
7 Kazakhstan 3 0.9%
8 Korea, Republic of 1 0.3%
9 Poland 1 0.3%
10 Ukraine 1 0.3%
11 India 1 0.3%
12 Brazil 1 0.3%