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 176 74.6%
2 United States 36 15.3%
3 Senegal 7 3%
4 Germany 4 1.7%
5 Japan 3 1.3%
6 Korea, Republic of 3 1.3%
7 Canada 3 1.3%
8 Australia 2 0.8%
9 Ukraine 1 0.4%
10 Russia 1 0.4%