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 205 60.8%
2 United States 41 12.2%
3 Germany 36 10.7%
4 Netherlands 22 6.5%
5 Canada 14 4.2%
6 Ireland 6 1.8%
7 Hong Kong 5 1.5%
8 South Africa 3 0.9%
9 Japan 2 0.6%
10 France 2 0.6%
11 Sweden 1 0.3%