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 42 37.5%
2 China 25 22.3%
3 Sweden 13 11.6%
4 Netherlands 10 8.9%
5 Germany 7 6.2%
6 Canada 4 3.6%
7 Japan 3 2.7%
8 France 2 1.8%
9 Taiwan 2 1.8%
10 Russia 2 1.8%
11 Honduras 1 0.9%
12 Peru 1 0.9%