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 114 65.1%
2 United States 25 14.3%
3 Netherlands 16 9.1%
4 France 7 4%
5 Canada 4 2.3%
6 Australia 2 1.1%
7 United Kingdom 2 1.1%
8 Italy 2 1.1%
9 Malaysia 2 1.1%
10 Hong Kong 1 0.6%