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 48 60.8%
2 United States 13 16.5%
3 Germany 6 7.6%
4 Malaysia 3 3.8%
5 Ukraine 2 2.5%
6 United Kingdom 2 2.5%
7 Netherlands 1 1.3%
8 New Zealand 1 1.3%
9 Hong Kong 1 1.3%
10 Italy 1 1.3%
11 Canada 1 1.3%