BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 45 60.8%
2 United States 11 14.9%
3 Germany 7 9.5%
4 Japan 3 4.1%
5 Macao 2 2.7%
6 Switzerland 2 2.7%
7 United Kingdom 1 1.4%
8 India 1 1.4%
9 Australia 1 1.4%
10 Canada 1 1.4%