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 United States 154 41.7%
2 China 110 29.8%
3 Germany 37 10%
4 Netherlands 23 6.2%
5 Canada 12 3.3%
6 Cote D'ivoire 8 2.2%
7 Korea, Republic of 7 1.9%
8 Russia 6 1.6%
9 Norway 3 0.8%
10 Romania 2 0.5%
11 Ireland 2 0.5%
12 Italy 2 0.5%
13 Singapore 2 0.5%
14 Switzerland 1 0.3%