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 277 66.6%
2 United States 70 16.8%
3 Germany 43 10.3%
4 Japan 5 1.2%
5 Hong Kong 3 0.7%
6 Indonesia 3 0.7%
7 Taiwan 3 0.7%
8 Sweden 2 0.5%
9 United Kingdom 2 0.5%
10 France 2 0.5%
11 Luxembourg 2 0.5%
12 Netherlands 1 0.2%
13 Singapore 1 0.2%
14 Canada 1 0.2%
15 Ukraine 1 0.2%