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 82 53.6%
2 United States 41 26.8%
3 Germany 7 4.6%
4 Hong Kong 7 4.6%
5 Japan 4 2.6%
6 Taiwan 3 2%
7 United Kingdom 2 1.3%
8 Singapore 2 1.3%
9 Malaysia 2 1.3%
10 Portugal 1 0.7%
11 Russia 1 0.7%
12 Canada 1 0.7%