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 80 55.9%
2 China 28 19.6%
3 Germany 15 10.5%
4 Hong Kong 7 4.9%
5 France 4 2.8%
6 Senegal 3 2.1%
7 United Kingdom 2 1.4%
8 Australia 1 0.7%
9 Estonia 1 0.7%
10 Latvia 1 0.7%
11 Russia 1 0.7%