BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 40 47.6%
2 Germany 16 19%
3 China 11 13.1%
4 Nigeria 6 7.1%
5 France 4 4.8%
6 United Kingdom 2 2.4%
7 Australia 2 2.4%
8 India 1 1.2%
9 Ireland 1 1.2%
10 Netherlands 1 1.2%