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 149 50.7%
2 United States 92 31.3%
3 Germany 24 8.2%
4 Ireland 7 2.4%
5 Taiwan 5 1.7%
6 United Kingdom 4 1.4%
7 Singapore 3 1%
8 Sweden 2 0.7%
9 Brazil 2 0.7%
10 Canada 2 0.7%
11 Korea, Republic of 2 0.7%
12 Netherlands 2 0.7%