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 24 21.4%
2 Germany 20 17.9%
3 China 16 14.3%
4 Denmark 10 8.9%
5 Belgium 8 7.1%
6 France 7 6.2%
7 Portugal 6 5.4%
8 Netherlands 5 4.5%
9 Malaysia 4 3.6%
10 Brazil 4 3.6%
11 Senegal 3 2.7%
12 Greece 2 1.8%
13 Iran, Islamic Republic of 1 0.9%
14 Korea, Republic of 1 0.9%
15 United Kingdom 1 0.9%