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 152 56.7%
2 United States 49 18.3%
3 Germany 39 14.6%
4 Canada 5 1.9%
5 Taiwan 5 1.9%
6 Macao 4 1.5%
7 Australia 2 0.7%
8 Brazil 2 0.7%
9 Hong Kong 2 0.7%
10 Hungary 2 0.7%
11 Singapore 2 0.7%
12 Sweden 2 0.7%
13 Ukraine 1 0.4%
14 Netherlands 1 0.4%