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 40 35.1%
2 United States 40 35.1%
3 United Kingdom 22 19.3%
4 Germany 3 2.6%
5 Hong Kong 2 1.8%
6 India 2 1.8%
7 Russia 2 1.8%
8 Estonia 1 0.9%
9 France 1 0.9%
10 Poland 1 0.9%