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 36 34.6%
2 United States 28 26.9%
3 Hong Kong 9 8.7%
4 Germany 7 6.7%
5 Portugal 6 5.8%
6 3 2.9%
7 Senegal 3 2.9%
8 United Kingdom 2 1.9%
9 France 2 1.9%
10 Russia 2 1.9%
11 Korea, Republic of 2 1.9%
12 Malaysia 1 1%
13 Singapore 1 1%
14 Spain 1 1%
15 Sweden 1 1%