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 96 59.6%
2 United States 43 26.7%
3 Germany 6 3.7%
4 Canada 3 1.9%
5 Finland 2 1.2%
6 France 2 1.2%
7 Italy 2 1.2%
8 Netherlands 2 1.2%
9 Sweden 2 1.2%
10 Ukraine 1 0.6%
11 Singapore 1 0.6%
12 Bulgaria 1 0.6%