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 United States 51 37.2%
2 China 31 22.6%
3 Germany 31 22.6%
4 Netherlands 6 4.4%
5 Canada 5 3.6%
6 Korea, Republic of 5 3.6%
7 Singapore 4 2.9%
8 Russia 2 1.5%
9 Ukraine 1 0.7%
10 Kazakhstan 1 0.7%