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 108 56.2%
2 United States 48 25%
3 Netherlands 10 5.2%
4 Canada 8 4.2%
5 Sweden 5 2.6%
6 Germany 4 2.1%
7 Japan 3 1.6%
8 Hong Kong 2 1%
9 Australia 2 1%
10 France 1 0.5%
11 United Kingdom 1 0.5%