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 China 80 61.1%
2 United States 24 18.3%
3 Germany 16 12.2%
4 Hong Kong 3 2.3%
5 Ireland 2 1.5%
6 Korea, Republic of 1 0.8%
7 Malaysia 1 0.8%
8 Portugal 1 0.8%
9 United Kingdom 1 0.8%
10 Australia 1 0.8%
11 Canada 1 0.8%