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 185 53.8%
2 United States 70 20.3%
3 Germany 33 9.6%
4 Canada 18 5.2%
5 Netherlands 10 2.9%
6 Hong Kong 6 1.7%
7 Thailand 5 1.5%
8 Singapore 4 1.2%
9 Australia 4 1.2%
10 Malaysia 3 0.9%
11 United Kingdom 3 0.9%
12 Russia 1 0.3%
13 Austria 1 0.3%
14 Ireland 1 0.3%