BPG致力于知识的发现和传播
Total Visits of This Article
2017 | 总访问次数
排名 国家/地区 数量 占比
1 United States 66 64.1%
2 Germany 10 9.7%
3 China 6 5.8%
4 Czechia 4 3.9%
5 Thailand 3 2.9%
6 Russia 2 1.9%
7 France 2 1.9%
8 India 2 1.9%
9 Japan 2 1.9%
10 Netherlands 1 1%
11 Romania 1 1%
12 Czech Republic 1 1%
13 Slovakia 1 1%
14 Hungary 1 1%
15 Bangladesh 1 1%