BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 181 53.9%
2 United States 58 17.3%
3 Germany 46 13.7%
4 Netherlands 36 10.7%
5 Ireland 7 2.1%
6 Canada 3 0.9%
7 Malaysia 1 0.3%
8 Hong Kong 1 0.3%
9 Australia 1 0.3%
10 Azerbaijan 1 0.3%
11 Brazil 1 0.3%