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 103 56%
2 United States 39 21.2%
3 Taiwan 9 4.9%
4 Germany 8 4.3%
5 Hong Kong 7 3.8%
6 Netherlands 7 3.8%
7 Portugal 4 2.2%
8 United Kingdom 2 1.1%
9 France 2 1.1%
10 2 1.1%
11 Russia 1 0.5%