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 57 47.9%
2 United States 19 16%
3 Netherlands 13 10.9%
4 Germany 8 6.7%
5 Singapore 4 3.4%
6 Canada 4 3.4%
7 United Kingdom 3 2.5%
8 Switzerland 3 2.5%
9 Hong Kong 3 2.5%
10 Taiwan 2 1.7%
11 Sweden 1 0.8%
12 Italy 1 0.8%
13 France 1 0.8%