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 76 44.4%
2 United States 35 20.5%
3 Germany 26 15.2%
4 Netherlands 13 7.6%
5 Canada 6 3.5%
6 Sweden 5 2.9%
7 Taiwan 5 2.9%
8 Hong Kong 2 1.2%
9 Korea, Republic of 2 1.2%
10 France 1 0.6%