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 38 41.8%
2 China 22 24.2%
3 Canada 8 8.8%
4 Hong Kong 6 6.6%
5 Germany 5 5.5%
6 Singapore 4 4.4%
7 Brunei Darussalam 2 2.2%
8 Australia 1 1.1%
9 Brazil 1 1.1%
10 Italy 1 1.1%
11 Japan 1 1.1%
12 Luxembourg 1 1.1%
13 United Kingdom 1 1.1%