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 136 59.1%
2 United States 65 28.3%
3 Germany 7 3%
4 Korea, Republic of 6 2.6%
5 Taiwan 5 2.2%
6 Canada 3 1.3%
7 Tajikistan 2 0.9%
8 Russia 2 0.9%
9 Ireland 2 0.9%
10 Singapore 1 0.4%
11 Ukraine 1 0.4%