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 151 44.4%
2 United States 140 41.2%
3 Germany 32 9.4%
4 3 0.9%
5 United Kingdom 3 0.9%
6 Viet Nam 2 0.6%
7 Australia 2 0.6%
8 Denmark 2 0.6%
9 Hong Kong 1 0.3%
10 Japan 1 0.3%
11 Malaysia 1 0.3%
12 Mexico 1 0.3%
13 New Zealand 1 0.3%