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 United States 63 43.8%
2 China 51 35.4%
3 Canada 9 6.2%
4 France 4 2.8%
5 India 3 2.1%
6 Netherlands 3 2.1%
7 Pakistan 2 1.4%
8 Israel 2 1.4%
9 Germany 2 1.4%
10 Egypt 2 1.4%
11 Viet Nam 2 1.4%
12 Russia 1 0.7%