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 187 61.5%
2 Germany 54 17.8%
3 United States 42 13.8%
4 United Kingdom 4 1.3%
5 Malaysia 4 1.3%
6 Korea, Republic of 3 1%
7 Hong Kong 2 0.7%
8 Netherlands 2 0.7%
9 Canada 2 0.7%
10 Sweden 1 0.3%
11 Switzerland 1 0.3%
12 Moldova, Republic of 1 0.3%
13 Lebanon 1 0.3%