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 117 43%
2 United States 62 22.8%
3 Hong Kong 51 18.8%
4 Germany 14 5.1%
5 Netherlands 12 4.4%
6 United Kingdom 4 1.5%
7 Canada 3 1.1%
8 Taiwan 3 1.1%
9 Australia 2 0.7%
10 Austria 1 0.4%
11 Portugal 1 0.4%
12 Russia 1 0.4%
13 Sweden 1 0.4%