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 40 54.1%
2 United States 15 20.3%
3 Germany 5 6.8%
4 United Kingdom 4 5.4%
5 Malaysia 2 2.7%
6 Netherlands 2 2.7%
7 Singapore 2 2.7%
8 Hong Kong 2 2.7%
9 Italy 1 1.4%
10 Australia 1 1.4%