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 148 63.2%
2 United States 46 19.7%
3 Germany 19 8.1%
4 Taiwan 7 3%
5 United Kingdom 2 0.9%
6 Hong Kong 2 0.9%
7 Hungary 2 0.9%
8 Netherlands 2 0.9%
9 Sweden 2 0.9%
10 Czech Republic 2 0.9%
11 Australia 1 0.4%
12 Canada 1 0.4%