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 48 35.6%
2 Germany 28 20.7%
3 United States 23 17%
4 Sweden 9 6.7%
5 Canada 7 5.2%
6 France 4 3%
7 Netherlands 4 3%
8 Korea, Republic of 3 2.2%
9 Ireland 3 2.2%
10 Italy 2 1.5%
11 India 2 1.5%
12 Iran, Islamic Republic of 2 1.5%