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 30 42.3%
2 United States 21 29.6%
3 Japan 7 9.9%
4 Singapore 4 5.6%
5 Hong Kong 4 5.6%
6 Spain 1 1.4%
7 Malaysia 1 1.4%
8 Germany 1 1.4%
9 Australia 1 1.4%
10 Canada 1 1.4%