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 United States 26 36.1%
2 China 19 26.4%
3 Netherlands 8 11.1%
4 Germany 7 9.7%
5 Singapore 2 2.8%
6 Sweden 2 2.8%
7 United Kingdom 2 2.8%
8 Ireland 2 2.8%
9 Japan 1 1.4%
10 Hong Kong 1 1.4%
11 Australia 1 1.4%
12 Canada 1 1.4%