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 51 40.8%
2 China 18 14.4%
3 Netherlands 17 13.6%
4 Sweden 10 8%
5 Canada 5 4%
6 India 5 4%
7 France 3 2.4%
8 Philippines 3 2.4%
9 Russia 3 2.4%
10 United Arab Emirates 2 1.6%
11 Georgia 2 1.6%
12 Germany 2 1.6%
13 Afghanistan 2 1.6%
14 Iran, Islamic Republic of 1 0.8%
15 Romania 1 0.8%