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 China 17 26.2%
2 United States 15 23.1%
3 Netherlands 12 18.5%
4 Germany 6 9.2%
5 Sweden 5 7.7%
6 Canada 3 4.6%
7 France 2 3.1%
8 Taiwan 2 3.1%
9 Zambia 2 3.1%
10 Russia 1 1.5%