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 66 39.1%
2 Sweden 34 20.1%
3 Netherlands 24 14.2%
4 China 24 14.2%
5 Germany 11 6.5%
6 India 5 3%
7 Korea, Republic of 2 1.2%
8 Czech Republic 2 1.2%
9 Russia 1 0.6%