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 52.6%
2 United States 94 26.7%
3 Germany 31 8.8%
4 Hong Kong 20 5.7%
5 Taiwan 7 2%
6 Korea, Republic of 4 1.1%
7 Australia 3 0.9%
8 Japan 2 0.6%
9 United Kingdom 2 0.6%
10 Russia 1 0.3%
11 Singapore 1 0.3%
12 Sweden 1 0.3%
13 India 1 0.3%