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 97 56.7%
2 United States 48 28.1%
3 Canada 7 4.1%
4 Germany 6 3.5%
5 Iran, Islamic Republic of 4 2.3%
6 Hong Kong 2 1.2%
7 France 2 1.2%
8 Netherlands 2 1.2%
9 Ukraine 1 0.6%
10 Belgium 1 0.6%
11 Japan 1 0.6%