BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 99 62.3%
2 United States 41 25.8%
3 Germany 5 3.1%
4 Canada 4 2.5%
5 Hong Kong 2 1.3%
6 Korea, Republic of 2 1.3%
7 Netherlands 2 1.3%
8 Singapore 2 1.3%
9 United Kingdom 1 0.6%
10 Japan 1 0.6%