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 78 46.4%
2 United States 34 20.2%
3 Netherlands 21 12.5%
4 France 12 7.1%
5 Germany 6 3.6%
6 Ireland 6 3.6%
7 Russia 5 3%
8 Canada 5 3%
9 Czech Republic 1 0.6%