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 124 53%
2 United States 77 32.9%
3 9 3.8%
4 Russia 8 3.4%
5 Germany 5 2.1%
6 Iran, Islamic Republic of 3 1.3%
7 Canada 3 1.3%
8 Singapore 2 0.9%
9 Netherlands 2 0.9%
10 Japan 1 0.4%