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 239 61.3%
2 United States 119 30.5%
3 Korea, Republic of 8 2.1%
4 Germany 7 1.8%
5 Canada 6 1.5%
6 Hong Kong 2 0.5%
7 Italy 2 0.5%
8 Japan 2 0.5%
9 Netherlands 2 0.5%
10 Russia 2 0.5%
11 United Kingdom 1 0.3%