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 141 69.1%
2 United States 25 12.3%
3 Hong Kong 8 3.9%
4 Korea, Republic of 6 2.9%
5 Canada 6 2.9%
6 Germany 5 2.5%
7 Senegal 3 1.5%
8 Australia 3 1.5%
9 Denmark 2 1%
10 Brazil 1 0.5%
11 Malaysia 1 0.5%
12 Netherlands 1 0.5%
13 Singapore 1 0.5%
14 Taiwan 1 0.5%