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 173 51.5%
2 United States 55 16.4%
3 Germany 37 11%
4 Netherlands 30 8.9%
5 Canada 23 6.8%
6 Hong Kong 6 1.8%
7 Singapore 3 0.9%
8 Sweden 3 0.9%
9 Taiwan 2 0.6%
10 United Kingdom 2 0.6%
11 India 1 0.3%
12 Brazil 1 0.3%