BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 88 58.7%
2 United States 27 18%
3 Germany 9 6%
4 Hong Kong 9 6%
5 Canada 4 2.7%
6 Singapore 3 2%
7 United Kingdom 3 2%
8 Taiwan 2 1.3%
9 Belgium 2 1.3%
10 Netherlands 2 1.3%
11 Portugal 1 0.7%