BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 174 56.1%
2 United States 78 25.2%
3 Germany 37 11.9%
4 Netherlands 5 1.6%
5 Ireland 4 1.3%
6 Russia 3 1%
7 Oman 2 0.6%
8 Hong Kong 2 0.6%
9 France 2 0.6%
10 Moldova, Republic of 1 0.3%
11 Canada 1 0.3%
12 Uzbekistan 1 0.3%