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 33 44.6%
2 China 21 28.4%
3 Germany 9 12.2%
4 Canada 3 4.1%
5 Netherlands 2 2.7%
6 Russia 2 2.7%
7 Singapore 2 2.7%
8 Taiwan 1 1.4%
9 Hong Kong 1 1.4%