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 22 57.9%
2 United States 4 10.5%
3 Venezuela, Bolivarian Republic of 2 5.3%
4 United Kingdom 2 5.3%
5 Hong Kong 2 5.3%
6 Italy 2 5.3%
7 Kazakhstan 2 5.3%
8 Taiwan 1 2.6%
9 Australia 1 2.6%