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 77 47%
2 China 42 25.6%
3 Netherlands 21 12.8%
4 Canada 8 4.9%
5 Russia 6 3.7%
6 Poland 2 1.2%
7 Portugal 2 1.2%
8 Estonia 2 1.2%
9 Germany 2 1.2%
10 Singapore 1 0.6%
11 United Kingdom 1 0.6%