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 55 44.4%
2 China 24 19.4%
3 Sweden 10 8.1%
4 Korea, Republic of 7 5.6%
5 Canada 6 4.8%
6 Hong Kong 5 4%
7 Singapore 3 2.4%
8 Netherlands 3 2.4%
9 Taiwan 3 2.4%
10 United Kingdom 3 2.4%
11 Germany 2 1.6%
12 Israel 1 0.8%
13 New Zealand 1 0.8%
14 Viet Nam 1 0.8%