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 133 44.9%
2 China 71 24%
3 Sweden 29 9.8%
4 Netherlands 23 7.8%
5 Germany 16 5.4%
6 Ireland 7 2.4%
7 Korea, Republic of 4 1.4%
8 Canada 4 1.4%
9 Singapore 3 1%
10 Russia 2 0.7%
11 Taiwan 2 0.7%
12 United Kingdom 1 0.3%
13 Spain 1 0.3%