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 61 34.7%
2 United States 53 30.1%
3 Netherlands 20 11.4%
4 Germany 16 9.1%
5 Sweden 14 8%
6 Korea, Republic of 5 2.8%
7 Canada 3 1.7%
8 Finland 1 0.6%
9 United Kingdom 1 0.6%
10 Russia 1 0.6%
11 Singapore 1 0.6%