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 185 56.4%
2 Germany 47 14.3%
3 United States 46 14%
4 Netherlands 25 7.6%
5 India 6 1.8%
6 United Kingdom 5 1.5%
7 Canada 4 1.2%
8 Mexico 2 0.6%
9 Russia 2 0.6%
10 Sweden 2 0.6%
11 Taiwan 1 0.3%
12 Ukraine 1 0.3%
13 Greece 1 0.3%
14 Hong Kong 1 0.3%