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 9 34.6%
2 China 6 23.1%
3 Canada 3 11.5%
4 Germany 2 7.7%
5 Korea, Republic of 2 7.7%
6 Netherlands 1 3.8%
7 Singapore 1 3.8%
8 Australia 1 3.8%
9 France 1 3.8%