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 83 50.9%
2 China 55 33.7%
3 Germany 12 7.4%
4 Republic of Korea 2 1.2%
5 Singapore 2 1.2%
6 Sweden 2 1.2%
7 Switzerland 1 0.6%
8 United Kingdom 1 0.6%
9 Greece 1 0.6%
10 Hong Kong 1 0.6%
11 Japan 1 0.6%
12 France 1 0.6%
13 Australia 1 0.6%