BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 70 50%
2 United States 29 20.7%
3 Netherlands 17 12.1%
4 Sweden 7 5%
5 Taiwan 5 3.6%
6 Russia 5 3.6%
7 Czech Republic 2 1.4%
8 Canada 2 1.4%
9 Hong Kong 2 1.4%
10 Germany 1 0.7%