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 China 21 37.5%
2 United States 12 21.4%
3 Singapore 11 19.6%
4 Russia 4 7.1%
5 Germany 4 7.1%
6 Netherlands 2 3.6%
7 France 1 1.8%
8 United Kingdom 1 1.8%