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 77 48.4%
2 United States 35 22%
3 Germany 20 12.6%
4 Hong Kong 9 5.7%
5 United Kingdom 5 3.1%
6 Russia 4 2.5%
7 Canada 2 1.3%
8 Thailand 2 1.3%
9 Singapore 1 0.6%
10 Spain 1 0.6%
11 Estonia 1 0.6%
12 Japan 1 0.6%
13 Portugal 1 0.6%