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 21 31.3%
2 Netherlands 15 22.4%
3 United States 13 19.4%
4 Hong Kong 5 7.5%
5 3 4.5%
6 Taiwan 3 4.5%
7 Belgium 2 3%
8 Canada 1 1.5%
9 France 1 1.5%
10 Germany 1 1.5%
11 Malaysia 1 1.5%
12 Sweden 1 1.5%