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 87 40.8%
2 United States 45 21.1%
3 France 20 9.4%
4 Sweden 16 7.5%
5 India 13 6.1%
6 Netherlands 10 4.7%
7 Germany 6 2.8%
8 Korea, Republic of 5 2.3%
9 Russia 3 1.4%
10 Moldova, Republic of 2 0.9%
11 North Macedonia 2 0.9%
12 Philippines 1 0.5%
13 Mauritius 1 0.5%
14 Israel 1 0.5%
15 Finland 1 0.5%