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 192 79%
2 United States 22 9.1%
3 Canada 6 2.5%
4 Korea, Republic of 6 2.5%
5 Germany 5 2.1%
6 Netherlands 4 1.6%
7 3 1.2%
8 France 2 0.8%
9 Norway 1 0.4%
10 Ukraine 1 0.4%
11 Ireland 1 0.4%