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 165 68.8%
2 China 25 10.4%
3 Netherlands 21 8.8%
4 Sweden 15 6.2%
5 Germany 8 3.3%
6 Canada 3 1.2%
7 United Kingdom 1 0.4%
8 Poland 1 0.4%
9 Slovakia 1 0.4%