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 44 53.7%
2 United States 19 23.2%
3 Netherlands 4 4.9%
4 France 3 3.7%
5 Germany 3 3.7%
6 Switzerland 2 2.4%
7 Turkey 2 2.4%
8 United Kingdom 2 2.4%
9 Mexico 2 2.4%
10 India 1 1.2%