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 29 37.2%
2 United States 16 20.5%
3 Canada 10 12.8%
4 Germany 5 6.4%
5 Hong Kong 3 3.8%
6 Australia 2 2.6%
7 Austria 2 2.6%
8 Kazakhstan 2 2.6%
9 Thailand 2 2.6%
10 Ukraine 2 2.6%
11 United Kingdom 2 2.6%
12 Malaysia 1 1.3%
13 Italy 1 1.3%
14 Japan 1 1.3%