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 China 143 43.1%
2 United States 117 35.2%
3 Germany 31 9.3%
4 Canada 21 6.3%
5 Netherlands 9 2.7%
6 Korea, Republic of 5 1.5%
7 Norway 2 0.6%
8 Singapore 1 0.3%
9 Uzbekistan 1 0.3%
10 Belgium 1 0.3%
11 Ireland 1 0.3%