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 50 49.5%
2 China 24 23.8%
3 Germany 10 9.9%
4 Romania 3 3%
5 Taiwan 2 2%
6 Hong Kong 2 2%
7 Canada 2 2%
8 Italy 2 2%
9 Japan 1 1%
10 Republic of Korea 1 1%
11 1 1%
12 Ireland 1 1%
13 United Kingdom 1 1%
14 Singapore 1 1%