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 42 64.6%
2 Germany 6 9.2%
3 United States 5 7.7%
4 Hong Kong 3 4.6%
5 India 2 3.1%
6 Ireland 2 3.1%
7 Japan 1 1.5%
8 United Arab Emirates 1 1.5%
9 United Kingdom 1 1.5%
10 Canada 1 1.5%
11 Czech Republic 1 1.5%