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 43 47.3%
2 United States 21 23.1%
3 France 6 6.6%
4 Japan 5 5.5%
5 Netherlands 3 3.3%
6 Cyprus 3 3.3%
7 Russia 2 2.2%
8 Canada 2 2.2%
9 Iran, Islamic Republic of 2 2.2%
10 Singapore 1 1.1%
11 Taiwan 1 1.1%
12 Ukraine 1 1.1%
13 Germany 1 1.1%