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 32 27.4%
2 China 27 23.1%
3 Germany 18 15.4%
4 Netherlands 13 11.1%
5 Canada 8 6.8%
6 Hong Kong 8 6.8%
7 Korea, Republic of 7 6%
8 Australia 3 2.6%
9 Macao 1 0.9%