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 42 41.6%
2 United States 32 31.7%
3 Korea, Republic of 6 5.9%
4 Germany 5 5%
5 Canada 5 5%
6 Singapore 3 3%
7 Netherlands 2 2%
8 Norway 1 1%
9 Sweden 1 1%
10 Ukraine 1 1%
11 Hong Kong 1 1%
12 Japan 1 1%
13 Cyprus 1 1%