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 58 54.7%
2 Canada 27 25.5%
3 France 7 6.6%
4 Germany 5 4.7%
5 China 3 2.8%
6 Netherlands 2 1.9%
7 Poland 1 0.9%
8 United Kingdom 1 0.9%
9 Australia 1 0.9%
10 Mexico 1 0.9%