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 14 29.2%
2 China 10 20.8%
3 Singapore 7 14.6%
4 Korea, Republic of 3 6.2%
5 Malaysia 3 6.2%
6 Netherlands 2 4.2%
7 France 2 4.2%
8 Canada 2 4.2%
9 Luxembourg 2 4.2%
10 Australia 1 2.1%
11 Germany 1 2.1%
12 Latvia 1 2.1%