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 United States 8 21.6%
2 China 6 16.2%
3 Russia 6 16.2%
4 Hong Kong 4 10.8%
5 Singapore 3 8.1%
6 Canada 3 8.1%
7 Australia 2 5.4%
8 Germany 2 5.4%
9 United Kingdom 2 5.4%
10 Taiwan 1 2.7%