BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 86 62.3%
2 United States 21 15.2%
3 Germany 10 7.2%
4 Hong Kong 10 7.2%
5 Italy 2 1.4%
6 Singapore 2 1.4%
7 Canada 2 1.4%
8 Sweden 1 0.7%
9 United Kingdom 1 0.7%
10 Czech Republic 1 0.7%
11 France 1 0.7%
12 Portugal 1 0.7%