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 26 36.6%
2 United States 21 29.6%
3 Iran, Islamic Republic of 6 8.5%
4 Netherlands 6 8.5%
5 Germany 4 5.6%
6 Cabo Verde 2 2.8%
7 Canada 2 2.8%
8 United Kingdom 2 2.8%
9 Senegal 1 1.4%
10 Spain 1 1.4%