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 44 49.4%
2 United States 19 21.3%
3 Hong Kong 8 9%
4 Japan 4 4.5%
5 Germany 3 3.4%
6 Singapore 2 2.2%
7 Switzerland 2 2.2%
8 United Kingdom 2 2.2%
9 Uzbekistan 2 2.2%
10 Malaysia 1 1.1%
11 Canada 1 1.1%
12 France 1 1.1%