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 72 57.1%
2 United States 30 23.8%
3 Germany 7 5.6%
4 Hong Kong 5 4%
5 Taiwan 3 2.4%
6 United Kingdom 2 1.6%
7 Singapore 2 1.6%
8 France 1 0.8%
9 Japan 1 0.8%
10 Netherlands 1 0.8%
11 Portugal 1 0.8%
12 Russia 1 0.8%