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 26 32.9%
2 Netherlands 20 25.3%
3 United States 14 17.7%
4 Germany 8 10.1%
5 Hong Kong 3 3.8%
6 United Kingdom 3 3.8%
7 Taiwan 2 2.5%
8 Canada 1 1.3%
9 Russia 1 1.3%
10 France 1 1.3%