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 31 31.3%
2 United States 27 27.3%
3 Netherlands 20 20.2%
4 Germany 6 6.1%
5 Hong Kong 3 3%
6 Italy 3 3%
7 Malaysia 2 2%
8 Mexico 2 2%
9 Canada 2 2%
10 1 1%
11 Portugal 1 1%
12 United Kingdom 1 1%