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 55.1%
2 United States 74 22%
3 Germany 29 8.6%
4 Hong Kong 21 6.2%
5 Taiwan 7 2.1%
6 United Kingdom 5 1.5%
7 Australia 4 1.2%
8 Thailand 3 0.9%
9 Singapore 3 0.9%
10 Korea, Republic of 2 0.6%
11 Poland 1 0.3%
12 Sweden 1 0.3%
13 Japan 1 0.3%