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 China 198 60%
2 United States 49 14.8%
3 Germany 32 9.7%
4 Canada 25 7.6%
5 Mexico 5 1.5%
6 Russia 4 1.2%
7 Singapore 3 0.9%
8 Pakistan 2 0.6%
9 Poland 2 0.6%
10 Chile 2 0.6%
11 Hungary 2 0.6%
12 Macao 2 0.6%
13 Malaysia 2 0.6%
14 Netherlands 1 0.3%
15 Norway 1 0.3%