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 22 31.9%
2 China 20 29%
3 Germany 13 18.8%
4 Netherlands 5 7.2%
5 Russia 1 1.4%
6 Switzerland 1 1.4%
7 Thailand 1 1.4%
8 United Kingdom 1 1.4%
9 Colombia 1 1.4%
10 Czechia 1 1.4%
11 Ecuador 1 1.4%
12 Hong Kong 1 1.4%
13 India 1 1.4%