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 United States 85 32.2%
2 China 76 28.8%
3 Sweden 25 9.5%
4 Germany 24 9.1%
5 Korea, Republic of 19 7.2%
6 Netherlands 17 6.4%
7 Cote D'ivoire 6 2.3%
8 Australia 3 1.1%
9 Canada 2 0.8%
10 Colombia 2 0.8%
11 India 2 0.8%
12 Czech Republic 1 0.4%
13 Russia 1 0.4%
14 Taiwan 1 0.4%