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 88 58.7%
2 United States 30 20%
3 Hong Kong 12 8%
4 Germany 7 4.7%
5 United Kingdom 5 3.3%
6 Taiwan 3 2%
7 Canada 2 1.3%
8 Netherlands 1 0.7%
9 Portugal 1 0.7%
10 Switzerland 1 0.7%