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 United States 48 38.7%
2 China 35 28.2%
3 Japan 11 8.9%
4 Hong Kong 10 8.1%
5 Germany 5 4%
6 Singapore 4 3.2%
7 Denmark 3 2.4%
8 France 3 2.4%
9 Sweden 2 1.6%
10 Korea, Republic of 2 1.6%
11 United Kingdom 1 0.8%