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 333 60.5%
2 United States 111 20.2%
3 Germany 44 8%
4 Hong Kong 30 5.5%
5 Canada 9 1.6%
6 Japan 6 1.1%
7 Taiwan 4 0.7%
8 United Kingdom 3 0.5%
9 Singapore 3 0.5%
10 Korea, Republic of 2 0.4%
11 France 2 0.4%
12 Australia 1 0.2%
13 Malaysia 1 0.2%
14 Sweden 1 0.2%