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 94 41%
2 United States 73 31.9%
3 Taiwan 21 9.2%
4 Hong Kong 20 8.7%
5 Germany 7 3.1%
6 Portugal 5 2.2%
7 3 1.3%
8 United Kingdom 2 0.9%
9 Russia 1 0.4%
10 Senegal 1 0.4%
11 Japan 1 0.4%
12 New Zealand 1 0.4%