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 54 40.3%
2 Netherlands 28 20.9%
3 China 27 20.1%
4 Canada 9 6.7%
5 Germany 5 3.7%
6 France 4 3%
7 United Kingdom 3 2.2%
8 Iran, Islamic Republic of 2 1.5%
9 India 1 0.7%
10 Belgium 1 0.7%