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 35 45.5%
2 United States 11 14.3%
3 Germany 7 9.1%
4 Hong Kong 6 7.8%
5 Australia 5 6.5%
6 Singapore 4 5.2%
7 Taiwan 4 5.2%
8 Japan 2 2.6%
9 Macao 1 1.3%
10 Netherlands 1 1.3%
11 Canada 1 1.3%