BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 United States 5 17.9%
2 Sudan 4 14.3%
3 Turkey 4 14.3%
4 Germany 4 14.3%
5 Philippines 3 10.7%
6 Spain 2 7.1%
7 Canada 1 3.6%
8 Moldova, Republic of 1 3.6%
9 Netherlands 1 3.6%
10 Poland 1 3.6%
11 Romania 1 3.6%
12 Russia 1 3.6%