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 217 64%
2 United States 61 18%
3 Germany 37 10.9%
4 Hong Kong 8 2.4%
5 Russia 3 0.9%
6 Singapore 2 0.6%
7 Turkey 2 0.6%
8 France 2 0.6%
9 Bangladesh 2 0.6%
10 Netherlands 2 0.6%
11 Austria 1 0.3%
12 Canada 1 0.3%
13 Ukraine 1 0.3%