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 24 34.3%
2 United States 17 24.3%
3 Netherlands 12 17.1%
4 Singapore 4 5.7%
5 Canada 4 5.7%
6 Malaysia 4 5.7%
7 Australia 2 2.9%
8 Denmark 1 1.4%
9 Germany 1 1.4%
10 Indonesia 1 1.4%