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 28 39.4%
2 United States 16 22.5%
3 Netherlands 12 16.9%
4 Germany 7 9.9%
5 Hong Kong 3 4.2%
6 United Kingdom 2 2.8%
7 Russia 1 1.4%
8 Estonia 1 1.4%
9 France 1 1.4%