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 63 39.6%
2 United States 62 39%
3 Japan 13 8.2%
4 Germany 8 5%
5 Korea, Republic of 4 2.5%
6 Canada 3 1.9%
7 France 2 1.3%
8 Sweden 2 1.3%
9 Switzerland 1 0.6%
10 Russia 1 0.6%