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 51 43.6%
2 United States 21 17.9%
3 Germany 16 13.7%
4 Hong Kong 14 12%
5 Taiwan 5 4.3%
6 Canada 3 2.6%
7 Japan 2 1.7%
8 Malaysia 1 0.9%
9 Portugal 1 0.9%
10 Singapore 1 0.9%
11 Switzerland 1 0.9%
12 United Kingdom 1 0.9%