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 189 62.8%
2 United States 55 18.3%
3 Germany 36 12%
4 Malaysia 4 1.3%
5 Brazil 4 1.3%
6 Sweden 3 1%
7 United Kingdom 3 1%
8 Singapore 2 0.7%
9 Hong Kong 2 0.7%
10 Korea, Republic of 1 0.3%
11 Albania 1 0.3%
12 Denmark 1 0.3%