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 45 40.5%
2 United States 27 24.3%
3 Germany 12 10.8%
4 Singapore 6 5.4%
5 Japan 5 4.5%
6 Netherlands 5 4.5%
7 Republic of Korea 3 2.7%
8 Malaysia 2 1.8%
9 Brazil 2 1.8%
10 Taiwan 1 0.9%
11 Thailand 1 0.9%
12 Hong Kong 1 0.9%
13 Colombia 1 0.9%