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 51 44.3%
2 United States 26 22.6%
3 Netherlands 13 11.3%
4 Germany 8 7%
5 Sweden 5 4.3%
6 France 3 2.6%
7 Indonesia 3 2.6%
8 Korea, Republic of 3 2.6%
9 Malaysia 1 0.9%
10 United Kingdom 1 0.9%
11 Australia 1 0.9%