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 58.4%
2 United States 55 17.4%
3 Germany 34 10.7%
4 Netherlands 32 10.1%
5 Hong Kong 4 1.3%
6 Brazil 3 0.9%
7 Singapore 2 0.6%
8 Turkey 1 0.3%
9 United Kingdom 1 0.3%