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 22 43.1%
2 United States 12 23.5%
3 Australia 4 7.8%
4 Hong Kong 3 5.9%
5 Malaysia 2 3.9%
6 Germany 2 3.9%
7 Taiwan 2 3.9%
8 Canada 1 2%
9 Switzerland 1 2%
10 Italy 1 2%
11 Korea, Republic of 1 2%