BPG致力于知识的发现和传播
Total Visits of This Article
2019 | 总访问次数
排名 国家/地区 数量 占比
1 21 44.7%
2 China 10 21.3%
3 Sweden 4 8.5%
4 Taiwan 4 8.5%
5 Spain 2 4.3%
6 United States 2 4.3%
7 United Kingdom 1 2.1%
8 Germany 1 2.1%
9 Hong Kong 1 2.1%
10 Japan 1 2.1%