BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 United States 42 48.3%
2 China 14 16.1%
3 Canada 6 6.9%
4 Singapore 6 6.9%
5 Russia 5 5.7%
6 Germany 5 5.7%
7 France 4 4.6%
8 Netherlands 3 3.4%
9 United Kingdom 2 2.3%