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 143 66.5%
2 United States 39 18.1%
3 Hong Kong 8 3.7%
4 Netherlands 7 3.3%
5 Germany 7 3.3%
6 Canada 3 1.4%
7 Taiwan 3 1.4%
8 United Kingdom 1 0.5%
9 France 1 0.5%
10 Portugal 1 0.5%
11 Russia 1 0.5%
12 Japan 1 0.5%