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 United States 67 47.9%
2 China 36 25.7%
3 United Kingdom 14 10%
4 France 7 5%
5 Russia 6 4.3%
6 Taiwan 2 1.4%
7 Hong Kong 2 1.4%
8 India 2 1.4%
9 Netherlands 2 1.4%
10 Poland 1 0.7%
11 Estonia 1 0.7%