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 407 61.9%
2 China 182 27.7%
3 Germany 24 3.6%
4 France 23 3.5%
5 India 8 1.2%
6 Netherlands 3 0.5%
7 Republic of Korea 2 0.3%
8 Sweden 2 0.3%
9 Switzerland 1 0.2%
10 Thailand 1 0.2%
11 Iran 1 0.2%
12 Japan 1 0.2%
13 Korea, Republic of 1 0.2%
14 Brazil 1 0.2%
15 Finland 1 0.2%