BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 United States 42 40%
2 China 27 25.7%
3 Korea, Republic of 11 10.5%
4 India 10 9.5%
5 Germany 7 6.7%
6 Netherlands 2 1.9%
7 Norway 2 1.9%
8 Poland 2 1.9%
9 Russia 1 1%
10 United Kingdom 1 1%