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 78 37.1%
2 United States 57 27.1%
3 France 21 10%
4 Sweden 13 6.2%
5 Netherlands 10 4.8%
6 Germany 7 3.3%
7 India 6 2.9%
8 Korea, Republic of 6 2.9%
9 Russia 4 1.9%
10 Turkey 2 1%
11 Mauritius 2 1%
12 Finland 2 1%
13 Philippines 1 0.5%
14 Canada 1 0.5%