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 150 56.6%
2 United States 56 21.1%
3 Germany 35 13.2%
4 Taiwan 7 2.6%
5 Hong Kong 5 1.9%
6 France 2 0.8%
7 Singapore 2 0.8%
8 Sweden 2 0.8%
9 Latvia 1 0.4%
10 Mauritius 1 0.4%
11 Netherlands 1 0.4%
12 Ukraine 1 0.4%
13 United Kingdom 1 0.4%
14 Canada 1 0.4%