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 59 43.1%
2 United States 27 19.7%
3 Korea, Republic of 9 6.6%
4 Germany 8 5.8%
5 Netherlands 7 5.1%
6 Australia 6 4.4%
7 Canada 5 3.6%
8 Malaysia 4 2.9%
9 United Kingdom 4 2.9%
10 Japan 3 2.2%
11 Italy 2 1.5%
12 Hong Kong 1 0.7%
13 Rwanda 1 0.7%
14 Switzerland 1 0.7%