BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 24 51.1%
2 United States 6 12.8%
3 Australia 2 4.3%
4 Canada 2 4.3%
5 Germany 2 4.3%
6 Hong Kong 2 4.3%
7 Italy 2 4.3%
8 Malaysia 2 4.3%
9 Norway 2 4.3%
10 Singapore 2 4.3%
11 Spain 1 2.1%