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 55 52.4%
2 United States 25 23.8%
3 Germany 6 5.7%
4 Netherlands 6 5.7%
5 France 4 3.8%
6 Hong Kong 3 2.9%
7 Japan 2 1.9%
8 Bangladesh 1 1%
9 Pakistan 1 1%
10 United Kingdom 1 1%
11 India 1 1%