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 137 42.8%
2 China 134 41.9%
3 Germany 14 4.4%
4 France 13 4.1%
5 India 5 1.6%
6 Netherlands 4 1.2%
7 Republic of Korea 4 1.2%
8 Finland 3 0.9%
9 Brazil 1 0.3%
10 Romania 1 0.3%
11 Taiwan 1 0.3%
12 Thailand 1 0.3%
13 Ukraine 1 0.3%
14 Italy 1 0.3%