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 68 61.3%
2 China 18 16.2%
3 Netherlands 8 7.2%
4 Canada 4 3.6%
5 United Kingdom 4 3.6%
6 France 4 3.6%
7 Germany 2 1.8%
8 Hong Kong 1 0.9%
9 Singapore 1 0.9%
10 Taiwan 1 0.9%