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 50 37.6%
2 United States 41 30.8%
3 Germany 14 10.5%
4 Canada 8 6%
5 Hong Kong 5 3.8%
6 Czech Republic 2 1.5%
7 United Kingdom 2 1.5%
8 Singapore 2 1.5%
9 Taiwan 2 1.5%
10 Ukraine 1 0.8%
11 Switzerland 1 0.8%
12 Australia 1 0.8%
13 Macao 1 0.8%
14 Malaysia 1 0.8%
15 Netherlands 1 0.8%
16 Portugal 1 0.8%