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 23 33.3%
2 United States 15 21.7%
3 Hong Kong 9 13%
4 Germany 7 10.1%
5 Taiwan 6 8.7%
6 Malaysia 3 4.3%
7 Japan 2 2.9%
8 Korea, Republic of 1 1.4%
9 Macao 1 1.4%
10 Australia 1 1.4%
11 United Kingdom 1 1.4%