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 81 39.7%
2 United States 70 34.3%
3 Germany 15 7.4%
4 Hong Kong 9 4.4%
5 Canada 7 3.4%
6 Malaysia 7 3.4%
7 Taiwan 4 2%
8 United Kingdom 3 1.5%
9 Czech Republic 2 1%
10 Australia 1 0.5%
11 Portugal 1 0.5%
12 Russia 1 0.5%
13 Sweden 1 0.5%
14 Ukraine 1 0.5%
15 Japan 1 0.5%