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 38 40%
2 China 20 21.1%
3 Netherlands 15 15.8%
4 Germany 8 8.4%
5 Hong Kong 5 5.3%
6 Cambodia 2 2.1%
7 Taiwan 2 2.1%
8 United Kingdom 1 1.1%
9 Japan 1 1.1%
10 Portugal 1 1.1%
11 Russia 1 1.1%
12 Sweden 1 1.1%