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 734 81.8%
2 China 115 12.8%
3 Germany 12 1.3%
4 Hong Kong 8 0.9%
5 Portugal 6 0.7%
6 Canada 5 0.6%
7 United Kingdom 4 0.4%
8 Singapore 3 0.3%
9 Senegal 2 0.2%
10 Malaysia 2 0.2%
11 Netherlands 1 0.1%
12 1 0.1%
13 Iraq 1 0.1%
14 Japan 1 0.1%
15 Spain 1 0.1%
16 Russia 1 0.1%