BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 29 31.5%
2 United States 29 31.5%
3 Netherlands 12 13%
4 Germany 6 6.5%
5 Senegal 4 4.3%
6 Sweden 4 4.3%
7 Japan 3 3.3%
8 Australia 2 2.2%
9 Canada 2 2.2%
10 France 1 1.1%