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 114 45.8%
2 China 77 30.9%
3 Netherlands 31 12.4%
4 Germany 13 5.2%
5 France 7 2.8%
6 Romania 3 1.2%
7 Hong Kong 1 0.4%
8 India 1 0.4%
9 Bulgaria 1 0.4%
10 Canada 1 0.4%