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 31 40.8%
2 United States 13 17.1%
3 Hong Kong 12 15.8%
4 Germany 6 7.9%
5 Singapore 5 6.6%
6 Taiwan 3 3.9%
7 Korea, Republic of 2 2.6%
8 France 2 2.6%
9 Australia 1 1.3%
10 Canada 1 1.3%