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 United States 63 40.1%
2 China 53 33.8%
3 Germany 13 8.3%
4 Hong Kong 11 7%
5 Canada 4 2.5%
6 Taiwan 4 2.5%
7 Ukraine 2 1.3%
8 New Zealand 2 1.3%
9 Portugal 1 0.6%
10 Sweden 1 0.6%
11 Australia 1 0.6%
12 Japan 1 0.6%
13 United Kingdom 1 0.6%