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 61 68.5%
2 United States 12 13.5%
3 Japan 4 4.5%
4 Hong Kong 3 3.4%
5 Russia 2 2.2%
6 Canada 2 2.2%
7 Singapore 1 1.1%
8 Sweden 1 1.1%
9 United Kingdom 1 1.1%
10 Ireland 1 1.1%
11 France 1 1.1%