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 186 61.2%
2 United States 51 16.8%
3 Germany 31 10.2%
4 Canada 11 3.6%
5 Australia 6 2%
6 Hong Kong 5 1.6%
7 Ireland 4 1.3%
8 Netherlands 4 1.3%
9 Singapore 2 0.7%
10 Sweden 2 0.7%
11 Macao 2 0.7%