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
1 273 56.2%
2 United States 90 18.5%
3 China 64 13.2%
4 Germany 23 4.7%
5 France 14 2.9%
6 United Kingdom 7 1.4%
7 Hong Kong 4 0.8%
8 India 2 0.4%
9 Czech Republic 2 0.4%
10 Canada 2 0.4%
11 Australia 1 0.2%
12 Japan 1 0.2%
13 Philippines 1 0.2%
14 Sweden 1 0.2%
15 Ukraine 1 0.2%