BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 21 51.2%
2 China 7 17.1%
3 Germany 2 4.9%
4 Canada 2 4.9%
5 Korea, Republic of 2 4.9%
6 Taiwan 2 4.9%
7 United Kingdom 1 2.4%
8 Macao 1 2.4%
9 Australia 1 2.4%
10 Italy 1 2.4%
11 Japan 1 2.4%