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 44.4%
2 United States 21 21.2%
3 Netherlands 11 11.1%
4 Germany 8 8.1%
5 Hong Kong 4 4%
6 Singapore 3 3%
7 Canada 3 3%
8 United Kingdom 2 2%
9 India 2 2%
10 France 1 1%