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 27 39.7%
2 United States 14 20.6%
3 Germany 7 10.3%
4 Australia 3 4.4%
5 Canada 3 4.4%
6 Taiwan 3 4.4%
7 Singapore 2 2.9%
8 Switzerland 2 2.9%
9 Italy 2 2.9%
10 Malaysia 2 2.9%
11 Morocco 1 1.5%
12 Netherlands 1 1.5%
13 Hong Kong 1 1.5%