BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 73 39.5%
2 China 55 29.7%
3 Sweden 21 11.4%
4 Germany 10 5.4%
5 Ireland 10 5.4%
6 Russia 5 2.7%
7 Korea, Republic of 3 1.6%
8 Canada 3 1.6%
9 Hong Kong 2 1.1%
10 Netherlands 1 0.5%
11 Singapore 1 0.5%
12 Taiwan 1 0.5%