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 32 32.7%
2 United States 26 26.5%
3 Hong Kong 10 10.2%
4 Singapore 9 9.2%
5 Australia 8 8.2%
6 Canada 5 5.1%
7 Switzerland 2 2%
8 Iran, Islamic Republic of 2 2%
9 Malaysia 2 2%
10 Russia 1 1%
11 Hungary 1 1%