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 54 62.8%
2 United States 14 16.3%
3 Hong Kong 5 5.8%
4 Germany 4 4.7%
5 Russia 2 2.3%
6 Singapore 2 2.3%
7 Sweden 1 1.2%
8 Italy 1 1.2%
9 Japan 1 1.2%
10 Macao 1 1.2%
11 Canada 1 1.2%