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 29 39.7%
2 United States 24 32.9%
3 United Kingdom 4 5.5%
4 Germany 3 4.1%
5 Italy 3 4.1%
6 Denmark 2 2.7%
7 Netherlands 2 2.7%
8 Hong Kong 1 1.4%
9 Albania 1 1.4%
10 Canada 1 1.4%
11 Japan 1 1.4%
12 Korea, Republic of 1 1.4%
13 Malaysia 1 1.4%