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 37 51.4%
2 United States 14 19.4%
3 Netherlands 10 13.9%
4 Korea, Republic of 3 4.2%
5 Germany 2 2.8%
6 Japan 2 2.8%
7 Brazil 1 1.4%
8 Bulgaria 1 1.4%
9 Lithuania 1 1.4%
10 Viet Nam 1 1.4%