BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 100 60.6%
2 United States 43 26.1%
3 Germany 5 3%
4 Netherlands 5 3%
5 United Kingdom 4 2.4%
6 Korea, Republic of 3 1.8%
7 Canada 2 1.2%
8 Spain 2 1.2%
9 Poland 1 0.6%