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 60 36.6%
2 United States 50 30.5%
3 Netherlands 18 11%
4 Germany 8 4.9%
5 Sweden 7 4.3%
6 Cote D'ivoire 5 3%
7 Canada 4 2.4%
8 Taiwan 4 2.4%
9 Switzerland 2 1.2%
10 Australia 2 1.2%
11 Mauritius 2 1.2%
12 Russia 1 0.6%
13 France 1 0.6%