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 160 61.3%
2 United States 52 19.9%
3 Germany 35 13.4%
4 Hong Kong 4 1.5%
5 Netherlands 2 0.8%
6 Singapore 2 0.8%
7 South Africa 2 0.8%
8 Sweden 2 0.8%
9 United Kingdom 1 0.4%
10 Chile 1 0.4%