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 85 46.4%
2 United States 37 20.2%
3 Germany 33 18%
4 Korea, Republic of 9 4.9%
5 Singapore 5 2.7%
6 Canada 4 2.2%
7 Netherlands 4 2.2%
8 Russia 3 1.6%
9 Hong Kong 2 1.1%
10 Ukraine 1 0.5%