BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 78 55.3%
2 China 30 21.3%
3 Netherlands 17 12.1%
4 Canada 6 4.3%
5 Hong Kong 3 2.1%
6 Germany 2 1.4%
7 Russia 2 1.4%
8 Singapore 2 1.4%
9 Taiwan 1 0.7%