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 215 58.9%
2 United States 82 22.5%
3 Germany 36 9.9%
4 Canada 20 5.5%
5 France 2 0.5%
6 Hong Kong 2 0.5%
7 Sweden 2 0.5%
8 United Kingdom 2 0.5%
9 Portugal 1 0.3%
10 Russia 1 0.3%
11 Singapore 1 0.3%
12 1 0.3%