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 93 48.7%
2 China 54 28.3%
3 Germany 16 8.4%
4 Hong Kong 8 4.2%
5 Singapore 5 2.6%
6 Australia 2 1%
7 Canada 2 1%
8 Italy 2 1%
9 Russia 2 1%
10 Taiwan 2 1%
11 United Kingdom 1 0.5%
12 Malaysia 1 0.5%
13 New Zealand 1 0.5%
14 Portugal 1 0.5%
15 Sweden 1 0.5%