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 12 22.6%
2 Germany 7 13.2%
3 Italy 7 13.2%
4 China 6 11.3%
5 Taiwan 6 11.3%
6 Poland 4 7.5%
7 Egypt 3 5.7%
8 Peru 3 5.7%
9 Switzerland 2 3.8%
10 Kenya 2 3.8%
11 Netherlands 1 1.9%