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 31 47.7%
2 United States 10 15.4%
3 Hong Kong 4 6.2%
4 Canada 3 4.6%
5 United Kingdom 3 4.6%
6 Italy 2 3.1%
7 Japan 2 3.1%
8 Korea, Republic of 2 3.1%
9 Singapore 2 3.1%
10 Taiwan 2 3.1%
11 Malaysia 1 1.5%
12 Netherlands 1 1.5%
13 Kazakhstan 1 1.5%
14 India 1 1.5%