BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 30 26.3%
2 Netherlands 24 21.1%
3 Germany 18 15.8%
4 United States 17 14.9%
5 Hong Kong 8 7%
6 5 4.4%
7 Canada 3 2.6%
8 France 3 2.6%
9 Korea, Republic of 2 1.8%
10 Sweden 2 1.8%
11 Malaysia 1 0.9%
12 Italy 1 0.9%