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 69 45.7%
2 United States 44 29.1%
3 Germany 11 7.3%
4 Hong Kong 7 4.6%
5 Korea, Republic of 6 4%
6 Senegal 3 2%
7 Malaysia 2 1.3%
8 Iraq 2 1.3%
9 Greece 2 1.3%
10 Italy 1 0.7%
11 France 1 0.7%
12 Australia 1 0.7%
13 Canada 1 0.7%
14 United Kingdom 1 0.7%