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 90 66.2%
2 United States 25 18.4%
3 Germany 4 2.9%
4 Japan 4 2.9%
5 Hong Kong 3 2.2%
6 Austria 2 1.5%
7 South Africa 2 1.5%
8 Taiwan 1 0.7%
9 United Kingdom 1 0.7%
10 Canada 1 0.7%
11 Netherlands 1 0.7%
12 Portugal 1 0.7%
13 Italy 1 0.7%