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 50 33.8%
2 Sweden 25 16.9%
3 China 20 13.5%
4 Germany 20 13.5%
5 Netherlands 12 8.1%
6 Korea, Republic of 6 4.1%
7 Canada 5 3.4%
8 Taiwan 4 2.7%
9 Singapore 4 2.7%
10 South Africa 1 0.7%
11 Russia 1 0.7%