BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 United States 50 40.7%
2 Netherlands 21 17.1%
3 China 17 13.8%
4 Sweden 13 10.6%
5 Germany 8 6.5%
6 India 3 2.4%
7 Canada 3 2.4%
8 Russia 3 2.4%
9 South Africa 3 2.4%
10 Nigeria 2 1.6%