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 55 35.3%
2 China 30 19.2%
3 Germany 20 12.8%
4 Netherlands 17 10.9%
5 Sweden 10 6.4%
6 Canada 10 6.4%
7 Korea, Republic of 9 5.8%
8 India 3 1.9%
9 Russia 2 1.3%