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 United States 34 32.4%
2 China 33 31.4%
3 United Kingdom 13 12.4%
4 Korea, Republic of 9 8.6%
5 India 5 4.8%
6 Germany 4 3.8%
7 Ireland 3 2.9%
8 Canada 2 1.9%
9 Brazil 1 1%
10 Switzerland 1 1%