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 51 31.5%
2 China 39 24.1%
3 Netherlands 31 19.1%
4 Germany 22 13.6%
5 Korea, Republic of 8 4.9%
6 Romania 3 1.9%
7 United Kingdom 2 1.2%
8 France 2 1.2%
9 Brazil 1 0.6%
10 Canada 1 0.6%
11 Japan 1 0.6%
12 Philippines 1 0.6%