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 55 42%
2 United States 34 26%
3 Germany 15 11.5%
4 Hong Kong 9 6.9%
5 5 3.8%
6 United Kingdom 4 3.1%
7 Canada 2 1.5%
8 Russia 2 1.5%
9 Sweden 1 0.8%
10 Australia 1 0.8%
11 Japan 1 0.8%
12 Netherlands 1 0.8%
13 Portugal 1 0.8%