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 105 58.7%
2 United States 37 20.7%
3 Germany 9 5%
4 Hong Kong 7 3.9%
5 Portugal 6 3.4%
6 Taiwan 4 2.2%
7 3 1.7%
8 Senegal 3 1.7%
9 United Kingdom 2 1.1%
10 Singapore 1 0.6%
11 Russia 1 0.6%
12 Poland 1 0.6%