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 29 33.7%
2 China 27 31.4%
3 Germany 12 14%
4 Netherlands 4 4.7%
5 Hong Kong 3 3.5%
6 Korea, Republic of 2 2.3%
7 Malaysia 1 1.2%
8 Brazil 1 1.2%
9 Canada 1 1.2%
10 Italy 1 1.2%
11 Republic of Korea 1 1.2%
12 Singapore 1 1.2%
13 Taiwan 1 1.2%
14 Thailand 1 1.2%
15 United Kingdom 1 1.2%