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 27 35.5%
2 Netherlands 17 22.4%
3 China 12 15.8%
4 Korea, Republic of 5 6.6%
5 Germany 4 5.3%
6 Sweden 3 3.9%
7 Taiwan 3 3.9%
8 Russia 2 2.6%
9 India 2 2.6%
10 Canada 1 1.3%