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 41 29.7%
2 China 28 20.3%
3 Sweden 19 13.8%
4 Germany 9 6.5%
5 Netherlands 9 6.5%
6 Canada 7 5.1%
7 Russia 6 4.3%
8 Iran, Islamic Republic of 6 4.3%
9 Singapore 3 2.2%
10 Australia 3 2.2%
11 Malaysia 3 2.2%
12 Turkey 1 0.7%
13 Viet Nam 1 0.7%
14 Finland 1 0.7%
15 Korea, Republic of 1 0.7%