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 854 66.8%
2 United States 182 14.2%
3 Japan 127 9.9%
4 Germany 45 3.5%
5 Hong Kong 19 1.5%
6 Taiwan 19 1.5%
7 Brazil 8 0.6%
8 Canada 8 0.6%
9 Singapore 6 0.5%
10 United Kingdom 4 0.3%
11 Austria 2 0.2%
12 Australia 1 0.1%
13 Korea, Republic of 1 0.1%
14 Netherlands 1 0.1%
15 Sweden 1 0.1%