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 22 31.4%
2 United States 21 30%
3 Netherlands 14 20%
4 France 5 7.1%
5 Germany 2 2.9%
6 Iran, Islamic Republic of 2 2.9%
7 Japan 1 1.4%
8 Korea, Republic of 1 1.4%
9 Philippines 1 1.4%
10 India 1 1.4%