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 196 70.8%
2 United States 36 13%
3 Hong Kong 9 3.2%
4 Korea, Republic of 9 3.2%
5 Sweden 8 2.9%
6 Netherlands 5 1.8%
7 Japan 3 1.1%
8 France 2 0.7%
9 Germany 2 0.7%
10 Nigeria 2 0.7%
11 Taiwan 2 0.7%
12 Canada 2 0.7%
13 United Kingdom 1 0.4%