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 178 61.8%
2 United States 47 16.3%
3 Germany 34 11.8%
4 Taiwan 8 2.8%
5 Sweden 3 1%
6 Australia 3 1%
7 Canada 3 1%
8 Lithuania 3 1%
9 Malaysia 2 0.7%
10 Mexico 2 0.7%
11 Netherlands 2 0.7%
12 Korea, Republic of 2 0.7%
13 Mauritius 1 0.3%