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 55 28.1%
2 United States 34 17.3%
3 Sweden 30 15.3%
4 Germany 27 13.8%
5 Netherlands 23 11.7%
6 Russia 11 5.6%
7 Korea, Republic of 8 4.1%
8 Canada 4 2%
9 Japan 2 1%
10 France 1 0.5%
11 Taiwan 1 0.5%