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 38 45.2%
2 Germany 18 21.4%
3 China 10 11.9%
4 Hong Kong 3 3.6%
5 Netherlands 3 3.6%
6 Romania 3 3.6%
7 Japan 2 2.4%
8 Malaysia 1 1.2%
9 Iraq 1 1.2%
10 Czech Republic 1 1.2%
11 Finland 1 1.2%
12 Australia 1 1.2%
13 Canada 1 1.2%
14 Singapore 1 1.2%