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 China 43 37.1%
2 United States 41 35.3%
3 Germany 19 16.4%
4 Canada 2 1.7%
5 Denmark 1 0.9%
6 France 1 0.9%
7 Hong Kong 1 0.9%
8 India 1 0.9%
9 Israel 1 0.9%
10 Italy 1 0.9%
11 Netherlands 1 0.9%
12 Pakistan 1 0.9%
13 Russia 1 0.9%
14 Spain 1 0.9%
15 Turkey 1 0.9%