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 166 70.6%
2 United States 29 12.3%
3 Hong Kong 13 5.5%
4 Germany 7 3%
5 Taiwan 6 2.6%
6 Japan 4 1.7%
7 Netherlands 3 1.3%
8 New Zealand 1 0.4%
9 Portugal 1 0.4%
10 Russia 1 0.4%
11 Sweden 1 0.4%
12 United Kingdom 1 0.4%
13 Czech Republic 1 0.4%
14 France 1 0.4%