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 38 52.8%
2 China 8 11.1%
3 Japan 5 6.9%
4 United Kingdom 5 6.9%
5 Taiwan 4 5.6%
6 Russia 3 4.2%
7 Germany 3 4.2%
8 France 2 2.8%
9 Singapore 1 1.4%
10 Hong Kong 1 1.4%
11 Estonia 1 1.4%
12 Finland 1 1.4%