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 26 33.8%
2 United States 20 26%
3 Germany 12 15.6%
4 Netherlands 4 5.2%
5 Canada 4 5.2%
6 Taiwan 3 3.9%
7 Singapore 2 2.6%
8 Japan 2 2.6%
9 Malaysia 1 1.3%
10 Finland 1 1.3%
11 New Zealand 1 1.3%
12 Republic of Korea 1 1.3%