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 174 72.2%
2 United States 40 16.6%
3 Canada 6 2.5%
4 Senegal 6 2.5%
5 Germany 5 2.1%
6 Japan 3 1.2%
7 Eswatini 2 0.8%
8 Russia 2 0.8%
9 Ukraine 1 0.4%
10 France 1 0.4%
11 Netherlands 1 0.4%