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 169 53.7%
2 United States 67 21.3%
3 Germany 27 8.6%
4 Hong Kong 17 5.4%
5 Netherlands 15 4.8%
6 Taiwan 5 1.6%
7 Ukraine 2 0.6%
8 United Arab Emirates 2 0.6%
9 Ireland 2 0.6%
10 Japan 2 0.6%
11 Malaysia 2 0.6%
12 Viet Nam 2 0.6%
13 Brazil 2 0.6%
14 United Kingdom 1 0.3%