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 34%
2 China 16 32%
3 Hong Kong 5 10%
4 Germany 3 6%
5 Canada 2 4%
6 Italy 2 4%
7 Taiwan 2 4%
8 Singapore 1 2%
9 Switzerland 1 2%
10 Australia 1 2%