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 63 51.2%
2 United States 31 25.2%
3 Netherlands 9 7.3%
4 Germany 7 5.7%
5 Hong Kong 4 3.3%
6 Taiwan 3 2.4%
7 United Kingdom 1 0.8%
8 Ireland 1 0.8%
9 Estonia 1 0.8%
10 Portugal 1 0.8%
11 Russia 1 0.8%
12 Sweden 1 0.8%