BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 578 84.4%
2 China 42 6.1%
3 United States 29 4.2%
4 Canada 10 1.5%
5 Japan 8 1.2%
6 Hong Kong 6 0.9%
7 United Kingdom 3 0.4%
8 Korea, Republic of 2 0.3%
9 Netherlands 1 0.1%
10 Singapore 1 0.1%
11 Sweden 1 0.1%
12 Australia 1 0.1%
13 Czech Republic 1 0.1%
14 France 1 0.1%
15 Germany 1 0.1%