BPG致力于知识的发现和传播
Total Visits of This Article
2023 | 总访问次数
排名 国家/地区 数量 占比
1 China 163 69.7%
2 United States 43 18.4%
3 Senegal 7 3%
4 Korea, Republic of 6 2.6%
5 Canada 6 2.6%
6 Germany 3 1.3%
7 United Kingdom 2 0.9%
8 1 0.4%
9 Netherlands 1 0.4%
10 Russia 1 0.4%
11 Ukraine 1 0.4%