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 United States 17 37.8%
2 China 10 22.2%
3 Germany 4 8.9%
4 Hong Kong 2 4.4%
5 Malaysia 2 4.4%
6 United Kingdom 2 4.4%
7 Australia 2 4.4%
8 Bulgaria 1 2.2%
9 Canada 1 2.2%
10 Singapore 1 2.2%
11 Sweden 1 2.2%
12 Switzerland 1 2.2%
13 Japan 1 2.2%