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 United States 43 31.4%
2 China 40 29.2%
3 Germany 29 21.2%
4 Korea, Republic of 6 4.4%
5 Russia 5 3.6%
6 Singapore 5 3.6%
7 Canada 4 2.9%
8 Netherlands 4 2.9%
9 Ukraine 1 0.7%