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 133 41.7%
2 China 78 24.5%
3 Netherlands 59 18.5%
4 Germany 18 5.6%
5 France 11 3.4%
6 United Kingdom 6 1.9%
7 Romania 3 0.9%
8 Pakistan 2 0.6%
9 Republic of Korea 1 0.3%
10 Viet Nam 1 0.3%
11 Russia 1 0.3%
12 Sweden 1 0.3%
13 Taiwan 1 0.3%
14 Thailand 1 0.3%
15 India 1 0.3%
16 Malaysia 1 0.3%
17 Ecuador 1 0.3%