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 47 49%
2 China 24 25%
3 Sweden 10 10.4%
4 Netherlands 6 6.2%
5 Korea, Republic of 5 5.2%
6 Romania 1 1%
7 Germany 1 1%
8 India 1 1%
9 Iran, Islamic Republic of 1 1%