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 212 62.4%
2 United States 73 21.5%
3 Germany 33 9.7%
4 Hong Kong 6 1.8%
5 Taiwan 4 1.2%
6 Sweden 3 0.9%
7 Austria 2 0.6%
8 Cameroon 2 0.6%
9 India 2 0.6%
10 Russia 1 0.3%
11 Singapore 1 0.3%
12 United Kingdom 1 0.3%