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 24 42.9%
2 China 12 21.4%
3 Germany 12 21.4%
4 Netherlands 3 5.4%
5 New Zealand 1 1.8%
6 Republic of Korea 1 1.8%
7 Malaysia 1 1.8%
8 Finland 1 1.8%
9 France 1 1.8%