BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 19 28.4%
2 United States 17 25.4%
3 Germany 8 11.9%
4 Taiwan 5 7.5%
5 Hong Kong 3 4.5%
6 Indonesia 2 3%
7 Japan 2 3%
8 Russia 2 3%
9 Ukraine 2 3%
10 Brazil 2 3%
11 Sweden 1 1.5%
12 Syrian Arab Republic 1 1.5%
13 Argentina 1 1.5%
14 Bangladesh 1 1.5%
15 Portugal 1 1.5%