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 33 33.3%
2 China 22 22.2%
3 Germany 15 15.2%
4 Sweden 12 12.1%
5 Korea, Republic of 5 5.1%
6 Netherlands 4 4%
7 Canada 3 3%
8 Moldova, Republic of 2 2%
9 Finland 1 1%
10 Russia 1 1%
11 Singapore 1 1%