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 China 58 28.7%
2 United States 52 25.7%
3 Sweden 34 16.8%
4 Germany 23 11.4%
5 Netherlands 11 5.4%
6 Taiwan 9 4.5%
7 Korea, Republic of 8 4%
8 Canada 4 2%
9 Singapore 2 1%
10 Russia 1 0.5%