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 219 59.2%
2 United States 66 17.8%
3 Germany 44 11.9%
4 Canada 16 4.3%
5 India 4 1.1%
6 Malaysia 4 1.1%
7 Korea, Republic of 3 0.8%
8 Hong Kong 3 0.8%
9 Turkey 3 0.8%
10 United Kingdom 3 0.8%
11 Austria 2 0.5%
12 Singapore 2 0.5%
13 Uzbekistan 1 0.3%