BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 160 54.2%
2 United States 57 19.3%
3 Germany 37 12.5%
4 Canada 24 8.1%
5 United Kingdom 4 1.4%
6 Russia 4 1.4%
7 Singapore 3 1%
8 Sweden 2 0.7%
9 Hong Kong 2 0.7%
10 India 1 0.3%
11 France 1 0.3%