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 149 54%
2 United States 67 24.3%
3 Germany 32 11.6%
4 Hong Kong 12 4.3%
5 Canada 5 1.8%
6 Denmark 3 1.1%
7 Taiwan 3 1.1%
8 Macao 2 0.7%
9 United Kingdom 1 0.4%
10 Iran, Islamic Republic of 1 0.4%
11 Australia 1 0.4%