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 84 42%
2 China 50 25%
3 Netherlands 23 11.5%
4 Germany 22 11%
5 France 5 2.5%
6 United Kingdom 4 2%
7 Australia 3 1.5%
8 Romania 3 1.5%
9 Iran, Islamic Republic of 2 1%
10 Sri Lanka 1 0.5%
11 Taiwan 1 0.5%
12 Georgia 1 0.5%
13 India 1 0.5%