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 136 56.4%
2 United States 44 18.3%
3 Germany 33 13.7%
4 Hong Kong 4 1.7%
5 Canada 3 1.2%
6 Malaysia 3 1.2%
7 Singapore 3 1.2%
8 Taiwan 3 1.2%
9 United Kingdom 2 0.8%
10 Australia 2 0.8%
11 Czech Republic 2 0.8%
12 Finland 2 0.8%
13 Hungary 2 0.8%
14 Macao 2 0.8%