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 64 43.8%
2 United States 48 32.9%
3 Germany 7 4.8%
4 Hong Kong 7 4.8%
5 Netherlands 5 3.4%
6 Austria 4 2.7%
7 Canada 4 2.7%
8 Thailand 2 1.4%
9 United Kingdom 2 1.4%
10 Portugal 1 0.7%
11 Sweden 1 0.7%
12 Korea, Republic of 1 0.7%