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 19 29.2%
2 United States 9 13.8%
3 Hong Kong 7 10.8%
4 Germany 6 9.2%
5 Australia 6 9.2%
6 Japan 5 7.7%
7 Netherlands 3 4.6%
8 Iran, Islamic Republic of 3 4.6%
9 United Kingdom 2 3.1%
10 Taiwan 2 3.1%
11 Thailand 1 1.5%
12 Canada 1 1.5%
13 Ireland 1 1.5%