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 108 59%
2 United States 40 21.9%
3 Germany 7 3.8%
4 6 3.3%
5 Canada 4 2.2%
6 Japan 4 2.2%
7 Korea, Republic of 4 2.2%
8 France 3 1.6%
9 Russia 2 1.1%
10 Ireland 2 1.1%
11 United Kingdom 2 1.1%
12 Ukraine 1 0.5%