BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 22 39.3%
2 United States 17 30.4%
3 Germany 6 10.7%
4 Hong Kong 3 5.4%
5 Taiwan 3 5.4%
6 United Kingdom 2 3.6%
7 Ireland 1 1.8%
8 Korea, Republic of 1 1.8%
9 Portugal 1 1.8%