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 158 52.1%
2 United States 67 22.1%
3 Germany 30 9.9%
4 Canada 24 7.9%
5 Netherlands 8 2.6%
6 Ireland 4 1.3%
7 Italy 2 0.7%
8 Mexico 2 0.7%
9 Senegal 2 0.7%
10 Spain 2 0.7%
11 Hong Kong 2 0.7%
12 France 2 0.7%