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 149 48.9%
2 United States 59 19.3%
3 Germany 41 13.4%
4 Canada 23 7.5%
5 Netherlands 20 6.6%
6 Turkey 4 1.3%
7 Brazil 3 1%
8 Hong Kong 2 0.7%
9 Sweden 1 0.3%
10 Czech Republic 1 0.3%
11 Ukraine 1 0.3%
12 United Kingdom 1 0.3%