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 137 64.3%
2 United States 51 23.9%
3 Senegal 6 2.8%
4 Germany 5 2.3%
5 Russia 3 1.4%
6 Nigeria 2 0.9%
7 United Kingdom 2 0.9%
8 Brazil 2 0.9%
9 Canada 1 0.5%
10 Netherlands 1 0.5%
11 Singapore 1 0.5%
12 Spain 1 0.5%
13 Ukraine 1 0.5%