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 175 43.6%
2 United States 118 29.4%
3 Germany 40 10%
4 Netherlands 19 4.7%
5 Canada 18 4.5%
6 Sweden 15 3.7%
7 Hong Kong 5 1.2%
8 Ireland 3 0.7%
9 Mauritius 2 0.5%
10 United Kingdom 2 0.5%
11 Brazil 2 0.5%
12 Bulgaria 2 0.5%