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 167 61.6%
2 United States 40 14.8%
3 Germany 24 8.9%
4 Taiwan 15 5.5%
5 Ireland 8 3%
6 Canada 5 1.8%
7 Macao 3 1.1%
8 Bangladesh 2 0.7%
9 Korea, Republic of 2 0.7%
10 Hong Kong 2 0.7%
11 India 1 0.4%
12 Luxembourg 1 0.4%
13 Singapore 1 0.4%