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 United States 39 30.5%
2 Netherlands 35 27.3%
3 China 22 17.2%
4 Germany 11 8.6%
5 France 10 7.8%
6 Czech Republic 5 3.9%
7 Hong Kong 3 2.3%
8 Russia 1 0.8%
9 Ukraine 1 0.8%
10 United Kingdom 1 0.8%