BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 30 35.7%
2 Netherlands 19 22.6%
3 United States 13 15.5%
4 Germany 10 11.9%
5 France 3 3.6%
6 Canada 3 3.6%
7 United Kingdom 2 2.4%
8 Hong Kong 2 2.4%
9 Russia 1 1.2%
10 Sweden 1 1.2%