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 China 48 42.5%
2 United States 38 33.6%
3 Canada 8 7.1%
4 Netherlands 8 7.1%
5 Germany 3 2.7%
6 Taiwan 2 1.8%
7 United Kingdom 2 1.8%
8 Romania 1 0.9%
9 Singapore 1 0.9%
10 Hong Kong 1 0.9%
11 France 1 0.9%